San Antonio Weather & Climate

United States of America

San Antonio sees feels-like daytime highs peak around 42.2°C in July and nighttime lows bottom out near 7.8°C in January. May is the wettest month (~88 mm), while February is the driest (~38 mm). For sunshine, June leads with about 70% clear skies.

Best time to visit San Antonio

Based on mild feels-like temperatures and low rain chances, the most comfortable months are March, November, and April — expect around 14.525.9°C with roughly 18% chance of rain on a given day in March.

San Antonio climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January7.8° / 18.6°14%39 mm55%14.8 kph
February10.8° / 21.5°14%38 mm57%15.5 kph
March14.5° / 25.9°18%50 mm60%16.3 kph
April19.1° / 30.4°20%54 mm63%16.6 kph
May24.8° / 36.8°29%88 mm67%16.1 kph
June28.4° / 39.9°27%79 mm70%15.3 kph
July29.8° / 42.2°19%50 mm60%14.5 kph
August29.7° / 42°18%47 mm56%13.5 kph
September26.8° / 38.2°24%65 mm63%13.1 kph
October20.8° / 32.1°22%74 mm70%14.1 kph
November14.6° / 25.3°17%52 mm65%14.6 kph
December9.5° / 19.1°14%42 mm57%14.6 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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