Cape Town, South Africa (9,939 miles away) is the far-away foreign place with temperatures most similar to San Clemente (view comparison). San Clemente is located near a large body of water (e.g., ocean, sea, or large lake). This report illustrates the typical weather in San Clemente, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. On September 6, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 90% of the time, and overcast or mostly cloudy 9% of the time. The least rain falls around June 28, with an average total accumulation of 0.0 inches. Includes Daily Risk of Precipitation, High/Low/Average Temperatures, Heating/Cooling Degree Days and Growing Degree Days United States San Clemente, California Long Range Weather Forecast The warmest month is August with an average maximum temperature of 25°C (77°F). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. The average minimum temperature (usually the minimum temperature is noted during the night) in San Clemente in November is 12.0°C (53.6°F). The highest monthly average temperature in San Clemente for August is 68 degrees The lowest monthly average temperature in San Clemente for December is 55 degrees The most monthly precipitation in San Clemente occurs in December with 7.2 inches The air quality index in San Clemente is 79% worse than the national average Average Weather in January in San Clemente California, United States. Please also visit San Clemente Historical Weather, Weather widget and Weather Charts pages. Know the weather in San Clemente Island and the weather forecast in San Clemente Island for the next days. The coldest month is December with an average maximum temperature of 18°C (64°F). Average Weather in San Clemente California, United States. The coldest day of the year is December 24, with an average low of 49°F and high of 64°F. In February, the precipitation reaches its peak, with an average of 120 mm | 4.7 inch. For the purposes of this report, the geographical coordinates of San Clemente are 33.427 deg latitude, -117.612 deg longitude, and 230 ft elevation. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. San Clemente Island, California - Travel and vacation weather averages, current conditions and forecasts. We also share information about your use of our site with our social media, advertising and analytics partners. November is a dry month with an average of 25mm (1.0in) … Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. The drier season lasts 7.6 months, from April 2 to November 21. At 24.3 °C | 75.7 °F on average, August is the coldest month of the year. San Clemente experiences significant seasonal variation in monthly rainfall. Average monthly temperatures in San Clemente (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 18.1: 18.5: 18.4: 20: 21.3: 23: 25.7 The rainy period of the year lasts for 6.0 months, from October 22 to April 22, with a sliding 31-day rainfall of at least 0.5 inches. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Consider visiting San Clemente in the months of June, July, August, September, for the best beach weather. Click on each chart for more information. San Clemente Pier weather forecast updated daily. San Clemente climate summary The San Clemente lies on 85m above sea level The prevailing climate in San Clemente is known as a local steppe climate. For reference, on August 23, the hottest day of the year, temperatures in San Clemente typically range from 64°F to 77°F, while on December 24, the coldest … San Clemente (Italy) - Weather forecast from Theweather.com. The wind is most often from the west for 10 months, from January 26 to November 29, with a peak percentage of 67% on May 21. In San Clemente, there are 7 comfortable months with high temperatures in the range of 70-85°. On average, there are 281 sunny days and 84 cold days per year in San Clemente. The percentage of time spent at various humidity comfort levels, categorized by dew point. ... Day Average Temp: 62.51: 66-Precipitation (Inches) Actual: Historic Avg. The most rain falls during the 31 days centered around February 19, with an average total accumulation of 2.8 inches. for San Clemente, Rimini 61 ° 57 ° 4. The transitions to and from daylight saving time are indicated by the 'DST' labels. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. The stations contributing to this reconstruction are: Oceanside Harbor (61%, 21 kilometers, southeast) and El Toro Mcas (39%, 29 kilometers, northwest). In March, the highest average water temperature for this place is reached with on average 26.60°C | 79.88°F. Beach Hazards Statement in effect until Tuesday, 12:00 PM PST. Over the course of the year, the temperature typically varies from 49°F to 77°F and is rarely below 44°F or above 83°F. The rainless period of the year lasts for 6.0 months, from April 22 to October 22. Crucita On average, there are 281 sunny days per year in San Clemente. At this time these are at about 24.10°C | 75.38°F. NOAA weather radar, satellite and synoptic charts. On average, there are 281 sunny days and 84 cold days per year in San Clemente. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Sperling’s comfort index score indicates that the higher your score is, the more comfortable climate year-round. The wettest month for Santiago is June with an average of 67.1mm of precipitation falling while the driest month is … Based on this score, the best time of year to visit San Clemente for hot-weather activities is from mid July to early September, with a peak score in the third week of August. California, United States. This month should be avoided if … Find Out More. The shaded overlays indicate night and civil twilight. Get the monthly weather forecast for San Clemente, CA, including daily high/low, historical averages, to help you plan ahead. February is the most wet month. San Clemente, CA Weather San Clemente, CA climate is mild during summer when temperatures tend to be in the 60's and cool during winter when temperatures tend to be in the 50's. The coolest month in San Clemente is February when the average maximum temperature is 16°, average temperature is 12° and average minimum temperature is 8°. San Clemente averages 0 inches of snow per year. Weather and climate in San Clemente Between january and june the climate is good . See the current San Clemente, CA weather and a 5 day forecast. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). November average water temperature in San Clemente is 17.9°C/64.2°F, the minimum temperature is 14.2°C/57.6°F, and the maximum is 21.4°C/70.5°F. In this report, we use a base of 50°F and a cap of 86°F. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for San Clemente, CA, US with The Weather Network. for San Clemente, California. On February 20, the cloudiest day of the year, the sky is overcast or mostly cloudy 43% of the time, and clear, mostly clear, or partly cloudy 57% of the time. Daylight saving time (DST) is observed in San Clemente during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. The calmest day of the year is September 7, with an average hourly wind speed of 5.4 miles per hour. 1. Sperling’s comfort index has measured San Clemente an 80 out of 100. Time zones for airports and weather stations are provided by AskGeo.com . Daily low temperatures are around 50°F, rarely falling below 44°F or exceeding 56°F. The hottest month in San Clemente is August when the average maximum temperature is 23°, average temperature is 20° and average minimum temperature is 17°. The weather is worst than the previous month since in november there is an average of 0.7in of rainfall over 3 days. The smallest chance of a wet day is 1% on June 24. The cloudier part of the year begins around November 3 and lasts for 5.7 months, ending around April 25. The wind is most often from the east for 1.9 months, from November 29 to January 26, with a peak percentage of 38% on January 1. 73 F John Wayne Airport Station | Report. Weather and climate in San Clemente Between january and june the climate is good . While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The number of hours during which the Sun is visible (black line). Current conditions, warnings and historical records At San Clemente Island, San Clemente Island NALF, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.. Whereas in August the lowest average water temperature is measured at 24.10°C | 75.38°F. Temperatures in San Clemente are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. At 24.3 °C | 75.7 °F on average, August is the coldest month of the year. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. Tides4fishing cookies are used to personalise content and ads, save your recent fishing sites and remember your display settings. San Clemente, Rimini, Italy Monthly Weather. In San Clemente, the annual water temperature (Pacific Ocean) is on average 25.30°C | 77.54°F. 7.4 Days of Rain. The clearer part of the year in San Clemente begins around April 25 and lasts for 6.3 months, ending around November 3. Any measurable snowfall is a rare occurance in San Clemente. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. This rainfall is typically … The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. San Clemente has dry periods in April, May, June, July, August, September and October. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Death toll rises as Iota's disastrous flood threat continues. This section reports on the wide-area average surface temperature of that water. Get the monthly weather forecast for San Clemente, CA, including daily high/low, historical averages, to help you plan ahead. The average temperature in San Clemente is 16.3 °C | 61.4 °F. MERRA-2 Modern-Era Retrospective Analysis. The wetter season lasts 4.4 months, from November 21 to April 2, with a greater than 10% chance of a given day being a wet day. By early evening, the temperature averages 70°F and it rains in june about 0.1in. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. We assume no responsibility for any decisions made on the basis of the content presented on this site. Manta The estimated value at San Clemente is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Clemente and a given station. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Precipitation is rain, snow, sleet, or hail that falls to the ground. The figure below presents a compact representation of key lunar data for 2020. San Clemente has dry periods in April, May, June, July, August, September and October. Jan: 16°C/61°F, Feb: 14°C/57°F, Mar: 17°C/63°F, Apr: 18°C/64°F, May: 17°C/63°F, Jun: 19°C/66°F, Jul: 21°C/70°F, Aug: 22°C/72°F, Sep: 23.5°C/74°F, Oct: 21°C/70°F, Nov: 19°C/66°F, Dec: 16°C/61°F, The median temperature in San Clemente is 18.5°C The windiest day of the year is December 28, with an average hourly wind speed of 7.2 miles per hour. During the year, there is little rainfall in San Clemente. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. San Clemente, CA Weather History star_ratehome. In San Clemente, the summers are short, warm, arid, and clear and the winters are long, cool, and partly cloudy. 61 ° 48 ° 2. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. There is 1 mm | 0.0 inch of precipitation in July. The earliest sunset is at 4:42 PM on December 4, and the latest sunset is 3 hours, 22 minutes later at 8:04 PM on June 28. Snowfall in San Clemente is 0 inches compared to the average US snowfall which is 26 inches of snow per year. Whereas around August 28 the lowest average water temperatures are to be expected. October is too cold for swimming in San Clemente for any length of time, unless you have a wetsuit. San Clemente Weather Forecasts. 61 ° 54 ° 6. With an average of 26.6 °C | 79.9 °F, April is the warmest month. in San Clemente (California), United States of America. Daily high temperatures are around 64°F, rarely falling below 57°F or exceeding 74°F. The most pleasant months of the year for San Clemente are June, October and May. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. To characterize how pleasant the weather is in San Clemente throughout the year, we compute two travel scores. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The time of year with cooler water lasts for 4.4 months, from December 8 to April 22, with an average temperature below 61°F. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Guayaquil The darker period of the year lasts for 3.2 months, from November 5 to February 11, with an average daily incident shortwave energy per square meter below 4.1 kWh. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. San Clemente, Los Rios, Ecuador - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at San Clemente, Ecuador The average hourly wind speed in San Clemente experiences mild seasonal variation over the course of the year. There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in San Clemente. In december in San Clemente, the climate is quite dry (with 3.1in of rainfall over 5 days). Based on this score, the best time of year to visit San Clemente for general outdoor tourist activities is from early June to early October, with a peak score in the last week of July. The muggier period of the year lasts for 3.5 months, from June 22 to October 5, during which time the comfort level is muggy, oppressive, or miserable at least 4% of the time. San Clemente Island, California - Travel and vacation weather averages, current conditions and forecasts. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). This location is classified as BSk by Köppen and Geiger. Over the course of the year, the temperature typically varies from 49°F to 77°F and is rarely below 44°F or above 83°F. Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Lower dew points feel drier and higher dew points feel more humid. The average minimum temperature will be 14°C, dipping to … Within 50 miles contains large variations in elevation (6,142 feet). The average temperature in San Clemente … October is a warm and dry time for sunbathing in San Clemente . The length of the day in San Clemente varies significantly over the course of the year. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The earliest sunrise is at 5:40 AM on June 12, and the latest sunrise is 1 hour, 29 minutes later at 7:09 AM on March 8. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. 59 ° 56 ° 5. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Ocean temperature In San Clemente, California, the average seawater temperature in December is 60.4°F (15.8°C). Strongest 17 February, 2017 26.4mph SE; Average … Within 10 miles contains very significant variations in elevation (2,277 feet). The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. The climate is fairly cold in that area december, but it is bearable by dressing warm. During the year, there is little rainfall in San Clemente. The chance of a wet day peaks at 20% on February 20. Report Station. The windier part of the year lasts for 6.9 months, from November 12 to June 8, with average wind speeds of more than 6.3 miles per hour. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. The percentage of time spent in various temperature bands. The day of the year with the coolest water is February 6, with an average temperature of 59°F. Sperling’s comfort index has measured San Clemente an 80 out of 100. San Clemente past weather with historical weather conditions for the last 30 days, including history of previous high and low temperatures, humidity, dew point, barometric pressure, wind speed, wind direction, wind gust, and rain fall totals for the San Clemente area and overall Orange county, California. The precipitation varies 119 mm | 5 inch between the driest month and the wettest month. The driest month is July. 63 ° 51 ° 7. 62 ° 47 ° 3. San Clemente, CA - Weather forecast from Theweather.com. Average Weather in January in San Clemente. The thin dotted lines are the corresponding average perceived temperatures. The figure below shows you a compact characterization of the entire year of hourly average temperatures. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The average water temperature experiences some seasonal variation over the course of the year. San Clemente average temperature With an average of 26.6 °C | 79.9 °F, April is the warmest month. August is the hottest month for San Clemente with an average high temperature of 85.6°, which ranks it as cooler than most places in California. Weather conditions with updates on temperature, humidity, wind speed, snow, pressure, etc. San Clemente climate summary The San Clemente lies on 85m above sea level The prevailing climate in San Clemente is known as a local steppe climate. The black line is the percentage chance that a given day is within the growing season. The weather is described as Mediterranean, which means there's seldom any rain, and not much humidity either. Record: In San Clemente, there are 7 comfortable months with high temperatures in the range of 70-85°. This location is classified as BSk by Köppen and Geiger. San Clemente experiences some seasonal variation in the perceived humidity. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for San Clemente, California . The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. Quevedo Approximately around March 16, the highest water temperature of around 26.60°C | 79.88°F is reached during the year. In San Clemente, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. The topography within 2 miles of San Clemente contains very significant variations in elevation, with a maximum elevation change of 879 feet and an average elevation above sea level of 238 feet. 10:49 am CET sun mon tue wed thu fri sat. The warm season lasts for 2.9 months, from July 5 to October 2, with an average daily high temperature above 74°F. Weather data is prone to errors, outages, and other defects. February is the most wet month. At 24.3 °C | 75.7 °F on average, August is the coldest month of the year. Milagro, © Climate-Data.org / AM OP / OpenStreetMap contributors, San Clemente Weather by month // weather averages, San Clemente Climate graph // Weather by Month. For each station, the records are corrected for the elevation difference between that station and San Clemente according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. The variation in annual temperature is around 2.3 °C | 36.1 °F. Pedro Balda The US average is 205 sunny days. The warmest month is August with an average maximum temperature of 25°C (77°F). To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. In 2020, the shortest day is December 21, with 9 hours, 56 minutes of daylight; the longest day is June 20, with 14 hours, 22 minutes of daylight. support@__remove_this_part__weatherspark.com. The calmer time of year lasts for 5.1 months, from June 8 to November 12. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The brightest day of the year is June 20, with an average of 8.4 kWh. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. Note: For swimming, a surface water temperature of 60.4°F (15.8°C) is not enjoyable for the majority.It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C). In San Clemente, the summers are short, warm, arid, and clear and the winters are long, cool, and partly cloudy. For Santiago in January the daily average maximum temperatures is 31°C with the average minimum 12°C, while in June the average maximum is 17°C with a minimum of 3°C. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 20% on February 20. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (47°F) is normal. The least muggy day of the year is February 25, when muggy conditions are essentially unheard of. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. Based on the tourism score, the best time of year to visit San Clemente for warm-weather activities is from early June to early October. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. Also view: monthly average temperatures, precipitation, snow depth, … San Clemente Weather by month // weather averages The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The average hourly temperature, color coded into bands. The swimming season in San Clemente lasts from July to October. The clearer part of the year at San Clemente Island, San Clemente Island NALF begins around May 31 and lasts for 5.0 months, ending around October … The muggiest day of the year is August 2, with muggy conditions 17% of the time. Shortwave radiation includes visible light and ultraviolet radiation. Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for San Clemente, California ... Low temperature around 49F. The cool season lasts for 4.1 months, from November 29 to April 3, with an average daily high temperature below 67°F. The closest Ocean of San Clemente is Pacific Ocean, The closest Airports of San Clemente are: Eloy Alfaro International Airport (MEC) 28.49km,José Joaquín de Olmedo International Airport (GYE) 168.64km,Old Mariscal Sucre International Airport (UIO) 234.99km, You can reach San Clemente from this Cities by Plane: Havana (HAV), Houston (IAH), São Paulo (GRU), Santiago (SCL), Quito (UIO), Lima (LIM), New York (JFK), Mexico City (MEX), Atlanta (ATL), Miami (MIA), Torrejón de Ardoz (MAD), Guayaquil (GYE), Amsterdam (AMS), Cali (CLO), Bogota (BOG), Caracas (CCS), Santa Clara (SAL), Manta (MEC), CUENCA (CUE), Montecristi Dew point will be around 37F with an average humidity of 52%. ... Wind - Average 7 mph Pressure 1020 hPa Visibility 31 mi: Feels Like 67 °F Dew Point 36 °F Fog No Wind - Gusts The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The predominant average hourly wind direction in San Clemente varies throughout the year. The time of year with warmer water lasts for 3.0 months, from July 7 to October 7, with an average temperature above 68°F. Bahía de Caráquez Average monthly temperatures in San Clemente (degrees centigrade and fahrenheit) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec °C: 18.1: 18.5: 18.4: 20: 21.3: 23: 25.7: 26.5: 25.8: 23.8: 20.6: 18.1 °F: 64.5: 65.4: 65: 68.1: 70.3: 73.4: 78.3: 79.7: 78.4: 74.9: 69: 64.6 Climate (2010–Present) Mcolf Camp Pendleton (Red Beach) (13 miles) Take a look at our website widgetsAvailable free! San Jacinto The chance of wet days in San Clemente varies throughout the year. San Clemente average temperature. The darkest day of the year is December 25, with an average of 3.0 kWh. The solar day over the course of the year 2020. With an average of 26.6 °C | 79.9 °F, April is the warmest month. Daily high temperatures are around 64°F, rarely falling below 57°F or exceeding 74°F.. Daily low temperatures are around 50°F, rarely falling below 44°F or exceeding 56°F.. For reference, on August 23, the hottest day of the year, temperatures in San Clemente … August is the hottest month for San Clemente with an average high temperature of 85.6°, which ranks it as cooler than most places in California. The US average is 28 inches of snow per year. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the San Clemente area. There are about 22 days of measurable precipitation in this place annually. The coldest month is December with an average maximum temperature of 18°C (64°F). Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. The area within 2 miles of San Clemente is covered by artificial surfaces (63%) and water (28%), within 10 miles by water (44%) and shrubs (24%), and within 50 miles by water (43%) and shrubs (28%). We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. San Clemente gets some kind of precipitation, on average, 37 days per year. The brighter period of the year lasts for 3.9 months, from April 24 to August 21, with an average daily incident shortwave energy per square meter above 7.3 kWh. The shaded overlays indicate night and civil twilight. The thin dotted line is the corresponding average liquid-equivalent snowfall. During those months, San Clemente water temperature does not drop below 20°C/68°F and therefore suitable for comfortable swimming. The day of the year with the warmest water is August 22, with an average temperature of 70°F. If you plan a visit to San Clemente, the ocean temperatures Are best around July and August, though the summer extends into September, October and early November, as well. Historical or past weather forecast page provides historical weather forecast from 1 st July, 2008 till now in 3 hourly interval. Over the next 14 days the San Clemente forecast suggests the average daytime maximum temperature will be around 30°C, with a high for the two weeks of 31°C expected on the afternoon of Tuesday 21st. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. On average March is the 3rd wettest month of the year in San Clemente with around 2.2 inches of rain making it a reasonably dry time to visit. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. The hottest day of the year is August 23, with an average high of 77°F and low of 64°F. By early evening, the temperature averages 70°F and it rains in june about 0.1in.