San Antonio, TX Climate in April

Temperature for April

In San Antonio, TX during April the average high temperature is 80.5°F. The hottest day on record was April 19, 1996 when the temperature hit 101.8°F.

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

Low Temperature

During April the overnight temperature drops to an average of 59.2°F, with the lowest temperature of 31.1°F being recorded on April 4, 1987. Overnight temperatures drop below freezing 2 times in April.

Precipitation for April

In April the average monthly rainfall in San Antonio, TX is 1.40 inches with rain usually falling on between 11 and 12 days. 1939 was the driest April with only 0.00 inches of rain falling, and 1979 was the wettest April with 8.88 inches of rain. The wettest single day in April was 21 April 1979 when 3.11 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.