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The hottest month of the year in San Antonio is August, with an average high of 95°F and low of 75°F. The cool season lasts for 2.8 months, from November 26 to February 20, with an average daily high temperature below 70°F. The coldest month of the year in San Antonio is January, with an average low of 43°F and high of 64°F.
Hottest Month: August (86 °F avg) Coldest Month: January (53 °F avg) Wettest Month: May (4.46" avg) Windiest Month: May (16 mph avg) Annual precip. 31.96"
San Antonio, Texas - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
- What month is the coldest in San Antonio?The lowest temperatures are recorded in January , with averages reaching a high of 61.7°F and a low of 44.2°F .
- How many days does it rain in San Antonio?Throughout the year, there are 144.5 rainfall days , and 22.6" of precipitation is accumulated.
- When does it snow in San Antonio?Months with snowfall in San Antonio are January , February and December .
- When does it snow the most in San Antonio?The months with the most snowfall in San Antonio, Texas, are January and February , with an average 0.08" of accumulated snow .
- How much does it snow in San Antonio?In San Antonio, Texas, during the entire year, snow falls for 0.7 days and aggregates up to 0.2" of snow .
- What is the driest month in San Antonio?February is the month with the least rainfall . Rain falls for 10.7 days and accumulates 0.98" of precipitation .
- When it does not snow in San Antonio?In San Antonio, snow does not fall in March through November .
- When is Daylight Saving Time (DST) in San Antonio?On Sunday, March 12. 2023 , at 2:00 am, Daylight Saving Time starts in San Antonio, Texas, and the time zone changes from CST to CDT. Daylight S...
- What is the most humid month in San Antonio?The most humid month is May , with an average relative humidity of 73% .
The numbers here tell you how hot and cold the weather usually is in San Antonio, Texas during each month of the year. The average high and low temperatures are listed below by month and annually for San Antonio, in both degrees Fahrenheit and Celsius.
San Antonio - Sunshine hours; Month Average Total; January: 5: 160: February: 6: 170: March: 7: 215: April: 7: 210: May: 7: 220: June: 9: 275: July: 10: 310: August: 9.5: 295: September: 8: 235: October: 7: 220: November: 5.5: 170: December: 5: 150: Year: 7.2: 2630
San Antonio weather averages and climate San Antonio, Texas. Monthly temperature, precipitation and hours of sunshine. A climate graph showing rainfall, temperatures and normals.
average temperature by month San Antonio. The temperatures are highest on average in August, at around 29.8 °C | 85.6 °F. On average, the month of January is considered to be the coldest time of year with temperatures averaging at around 11.4 °C | 52.5 °F.
