San Antonio, TX Climate in April

Temperature for April

In San Antonio, TX during April the average high temperature is 81.7°F. The hottest day on record was April 21, 1984 when the temperature hit 105.1°F.

San Antonio, TX daily average and extreme temperature range for April

Low Temperature

During April the overnight temperature drops to an average of 60.2°F, with the lowest temperature of 32.4°F being recorded on April 10, 1938. In April it has never frozen overnight.

Precipitation for April

In April the average monthly rainfall in San Antonio, TX is 1.09 inches with rain usually falling on between 10 and 11 days. 1939 was the driest April with only 0.00 inches of rain falling, and 1977 was the wettest April with 6.82 inches of rain. The wettest single day in April was 20 April 1977 when 2.99 inches of rain fell.

In April it usually snows on between 0 and 1 days. There are thunderstorms on between 3 and 4 days in April.