Weather & Climate at Joint Base San Antonio in San Antonio, TX

Summary of the weather and climate in San Antonio, TX:

  • The average high in San Antonio, TX is 79.5°F and average low is 57.3°F
  • The hottest month is August with an high of 94.8°F
  • The coldest month is January with an low of 39.6°F
  • Annual rainfall is 34.86 inches. The rainiest month is June with an average of 4.49 inches.

SOURCE: NOAA.GOV

Climate Table — Joint Base San Antonio

Monthly Averages:

High (°F)Low (°F)Rainfall (inches)Snowfall (inches)
January 62.7 39.6 1.93 0
February 66.8 42.1 1.98 0
March 73 49.7 2.34 0
April 80.2 56.7 1.99 0
May 85.6 65.5 4.45 0
June 91.1 71.6 4.49 0
July 93.6 73.5 2.71 0
August 94.8 73.5 2.34 0
September 89.8 68.1 3.33 0
October 81.4 58.6 4.45 0
November 71.9 48.9 2.72 0
December 63.5 39.7 2.13 0

Climate Charts — Joint Base San Antonio

Weather through the year:



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** Document Provided By MilBases.com **
Source: https://www.milbases.com/texas/joint-base-san-antonio/weather