Temperature for October
In San Antonio, TX during October the average high temperature is 82.7°F. The hottest day on record was October 12, 1991 when the temperature hit 99.0°F.
Precipitation for October
In October the average monthly rainfall in San Antonio, TX is 2.43 inches with rain usually falling on between 7 and 8 days. 1947 was the driest October with only 0.00 inches of rain falling, and 1998 was the wettest October with 18.03 inches of rain. The wettest single day in October was 18 October 1998 when 13.40 inches of rain fell.
In October it usually snows on between 0 and 1 days. There are thunderstorms on between 2 and 3 days in October.