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San Antonio Weather

Know Before You Go and Check the Forecast

You know what they say about San Antonio weather. Wait a minute and it changes. Before you pack your suitcase, take a look at our San Antonio weather forecast to decide between pants or shorts, long or short sleeves, boots or sandals. You get where we are going here. On average, August is the warmest month, and January is the coolest. We enjoy over 250 days of sunshine in the Alamo City and the average annual precipitation for San Antonio is just 32.91 inches. Continuous San Antonio weather broadcasts can be heard over NOAA Weather Radio, “The Voice of the National Weather Service” and “The Radio for all Seasons,” at 162.550 MHz.

San Antonio Weather Averages


  Daily Avg.
Max Temperature
Daily Avg.
Min Temperature
Avg. Rainfall
in Inches
January 62° F 39° F 1.65
February 67° F 42° F 1.73
March 74° F 50° F 1.89
April 80° F 57° F 2.60
May 86° F 65° F 4.72
June 91° F 72° F 4.29
July 95° F 74° F 2.05
August 95° F 74° F 2.56
September 90° F 69° F 2.99
October 82° F 59° F 3.86
November 71° F 49° F 2.60
December 64° F 41° F 1.97

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