Wear sunscreen and UV-protective clothing. Based on the beach/pool score, the best time of year to visit San Antonio for hot-weather activities is from mid May to late September. Cooperative Observers The first set of high and low temperatures are averages for 2010 to 2019. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 84.2F (29C). In reality, San Antonio is the most inexpensive big metropolitan center in Texas and the seventh safest large city in the United States. Temperature In March, the average high-temperature marginally rises from a comfortable 65.8F (18.8C) in February to a pleasant 72.7F (22.6C). This report illustrates the typical weather in San Antonio, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Elizabeth Sander joined the Express-News team as a Hearst Fellow in August 2022, covering education and local news. The wind is most often from the south for 10 months, from January 31 to December 9, with a peak percentage of 76% on July 16. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. NWS StormReady Within 50 miles contains significant variations in elevation (1,831 feet). WeatherSpark.com. San Antonio experiences extreme seasonal variation in the perceived humidity. Yes, San Antonio is generally a safe place to visit. Cynthia J. Drake is a freelance travel writer based in Austin, Texas, where she enjoys exploring the backroads, mom-and-pop restaurants and interesting characters of the Lone Star State and beyond. Closing your windows on windy days can help prevent outside dust or dander from getting into your home. Humidity In San Antonio, the average relative humidity in January is 64%. We did not smooth the data, so for example, our daily temperature line will have some randomness due to the fact that weather is random in the first place. The air quality is generally acceptable for most individuals. Yet, over the last month and a half, average rainfall has. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The hottest month of the year in San Antonio is August, with an average high of 95F and low of 75F. The month with the fewest muggy days in San Antonio is January, with 0.8 days that are muggy or worse. The average day in San Antonio during December has 10.3 hours of daylight, with sunrise at 7:19 AM and sunset at 5:37 PM. The thin dotted lines are the corresponding average perceived temperatures. The month with the shortest days is December (Average daylight: 10h and 18min). Questions? Peak summer heat will occur in the later months, especially in August and even into September. Contact Average high temperature Av. It is a delight to discover the city again and again! Sun & Moon. ASUS64 KEWX 150054. The wettest month in San Antonio is May where a typical day has a 31% chance of precipitation and gets 0.09 inches (2.2 mm) of precipitation, while the dryest month in San Antonio is August where a typical day has a 9% chance of precipitation and gets 0.11 inches (2.7 mm) of precipitation. The coldest month, January has days with highs of 64F (18C) and lows of 41F (5C). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. ", Wettest Month: June (4.7 inches of rainfall average), Sunniest Month: July (10 hours average sunshine), Best Month for Walking or Biking on the River Walk: April (81 F / 27 C). Submit Storm Report You're permitted to use this graph as long as you provide prominent attribution with a link back close to the use of the graph. The top attractions for most San Antonio visitors are outdoors: the Alamo and the rest of the UNESCO World Heritage designated missions, the River Walk, and the Mercado or Market Square shopping district. You can stroll around the streets of numerous locales without encountering any issues. All NOAA, Forecasts Freezing temperatures normally occur from November to March. The amount of rain in March is normal with an average of 59mm (2.3in). Make sure you stay hydrated. Record Tables Be sure to wear sunscreen and UV-protective clothing when spending time outdoors. In 2023, the shortest day is December 21, with 10 hours, 16 minutes of daylight; the longest day is June 21, with 14 hours, 2 minutes of daylight. The percentage of time spent in various temperature bands. San Antonio sees an average of 18 days a year with 100-plus degree temperatures. The average daily maximum temperature is around 67 degrees Fahrenheit, seldom dipping below 48 degrees or surpassing 83 degrees Fahrenheit. Follow live updates. As such, it tends to be another ideal time to visit the city. The wetter season lasts 6.0 months, from April 26 to October 24, with a greater than 22% chance of a given day being a wet day. high temp. Lightning Safety (Weather station: San Antonio International Airport, USA). Stay hydrated and stretch to help avoid arthritis symptoms. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. What to pack: Prepare for mild to hot temperatures by packing light clothing, with layered options in case of cooler temperatures in this shoulder season. Scattered clouds. San Antonio is one of the most flood-prone areas of North America, according to the San Antonio River Authority and is part of an area that is termed flash flood alley. Exercise caution when visiting during the rainy spring monthsand never attempt to drive through low water crossings by heeding the National Weather Services caution: Turn around, dont drown.. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. To fill in the rest, there's information on how many days a month get above or below a given temperature. (Weather station: San Antonio International Airport, USA). Environmental Modeling, Weather Education Guest Speakers You can drill down from year to month and even day level reports by clicking on the graphs. The risk of tree pollen symptoms is moderate. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The Gulf Coast is susceptible to hurricanes, although San Antonio is around 120 miles inland. (Weather station: San Antonio International Airport, USA). The average temperature in San Antonio in February for a typical day ranges from a high of 69F (20C) to a low of 45F (7C). For example, for the hourly temperature at 10am, we've looked at the temperature at 10am on every day in December (e.g., December 1, December 2, etc. The calmest month (with the lowest average wind speed) is September (6.5mph). The month with the longest days is June (Average daylight: 14h and 0min). See more current weather. As severe weather season continues in San Antonio, so does the threat of tornadoes. Chris Pettits personal property hits the auction block, Spurs reach naming rights agreement with Victory Capital, City might use eminent domain on bar property for Alamo museum, Housekeepers find two dead bodies inside East Side hotel room, Candidates line up for Ana Sandovals District 7 seat, Ana Sandoval to step down from City Council this month, Man with military weapon at S.A. airport won't be charged, Jurors seated for Andre McDonald murder trial in San Antonio, Visit San Antonio is closing downtown visitor info center. The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days). Fog. See all nearby weather stations. Be sure to warm up and cool down adequately. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Eagle Pass is the nearest border crossing to San Antonio, located 144 miles away. Time zones for airports and weather stations are provided by AskGeo.com . Conditions for lawn mowing are great. The muggier period of the year lasts for 6.7 months, from April 9 to October 31, during which time the comfort level is muggy, oppressive, or miserable at least 24% of the time. High & Low Weather Summary for the Past Weeks Temperature Humidity Pressure; High: 82 F (Jan 2, 3:51 pm) This graph shows how an average day looks like in San Antonio in December based on historical data. Follow live updates. There are signs that this may be the last warm winter for the next couple years, though. Check a star chart or an astronomy app before you head out to make the most of the night. San Antonio is 233 kilometers (about a 2-hour journey) away. The month with the least rainy days is January (9.1 days). For each station, the records are corrected for the elevation difference between that station and San Antonio according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Jillian Dara is a freelance journalist and fact-checker. Corpus Christi is a seaside city in South Texas. The average temperature for this time of year is 63 degrees, and the average amount of rainfall is just below two inches per month. This large metropolis with a small-town vibe, known as the Alamo city, provides a relaxing and welcoming environment for retirees. "Climate in San Antonio." The temperature at 2:48 pm in San Antonio is 66.2F (19C). The months with the highest UV index are June, July and August (UV index 7). There are plenty of air-conditioned museums and other attractions, plus waterparks in the area where you can keep cool. Owlie SKYWARN Some would describe it as moderately chilly with a gentle breeze. The amount of rain in November is normal with an average of 60mm (2.4in). In San Antonio, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year. The darker period of the year lasts for 2.7 months, from November 12 to February 3, with an average daily incident shortwave energy per square meter below 3.9 kWh. 3:25 PM. Remain prepared for changing weather by tracking ongoing forecasts. Rivers/Lakes The month with the most sunshine days is January (20.3 days). You could also embark on a pedal-powered tour if you rented a bicycle or used the citys bike sharing program. Maximums and minimums are only part of the temperature picture. The windiest month (with the highest average wind speed) is May (9mph). Newsletter Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 72 F. The month with the most sunshine is July (Average sunshine: 10h and 18min). 2023 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved. The month with the most muggy days in San Antonio is July, with 27.1 days that are muggy or worse. The shortest day of the month is February 1, with 10 hours, 49 minutes of daylight and the longest day is February 28 . Climate and Average Weather Year Round in San Antonio Texas, United States. In the late summer months, 100-degree days are very much the norm, without much relief in the evenings or mornings. The risk of experiencing weather-related arthritis pain is moderate. Conditions for running are great. See more current weather. December 2020. Wind Gusts 9 mph. 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. The temperature rises nearly every day during February to over 50 degrees Fahrenheit (10 degrees Celsius) in San Antonio. The drier season lasts 6.0 months, from October 24 to April 26. En Espaol The month with the least sunshine is December (Average sunshine: 5h and 18min). We have updated our Privacy Policy and Cookie Policy. Precipitation is generally evenly distributed throughout the year. Get the monthly weather forecast for San Antonio, TX, including daily high/low, historical averages, to help you plan ahead. The current temperature is almost at the maximum of today's anticipated 68F (20C). Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 62 F. For comparison, the hottest month in San Antonio, August, has days with highs of 100F (38C) and lows of 76F (24C). Over the course of the year, the temperature typically varies from 43F to 96F and is rarely below 31F or above 101F. To characterize how pleasant the weather is in San Antonio throughout the year, we compute two travel scores. The percentage of time spent at various humidity comfort levels, categorized by dew point. The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). Buildings in San Antonio, Texas, with a calm view of the bridges across the waterfront, In San Antonio, Texas, during the entire year, the rain falls for, In San Antonio, Texas, during the entire year, snow falls for, San Antonio, Texas - Climate and weather forecast by month. Get the monthly weather forecast for San Antonio, TX, including daily high/low, historical averages, to help you plan ahead. For comparison, the hottest month in San Antonio, August, has days with highs of 100F (38C) and lows of 76F (24C). You can expect very pleasant temperatures during the day. 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