San Antonio, TX Climate in March

Temperature for March

In San Antonio, TX during March the average high temperature is 75.1°F. The hottest day on record was March 6, 1991 when the temperature hit 99.0°F.

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

Low Temperature

During March the overnight temperature drops to an average of 50.5°F, with the lowest temperature of 18.9°F being recorded on March 2, 1980. Overnight temperatures drop below freezing between 1 and 7 times in March.

Precipitation for March

In March the average monthly rainfall in San Antonio, TX is 1.41 inches with rain usually falling on between 11 and 12 days. 1948 was the driest March with only 0.00 inches of rain falling, and 2007 was the wettest March with 7.24 inches of rain. The wettest single day in March was 4 March 1992 when 3.59 inches of rain fell.

In March it usually snows on between 0 and 1 days. There are thunderstorms on between 1 and 2 days in March.