Historical Weather in San Antonio, TX

See 55+ years of weather history for any date in San Antonio going back to 1970.

Part of Texas weather history

Look Up a Specific Date

Searching weather history for San Antonio, TX

Today in San Antonio Weather HistorySee records, averages, and 55+ years of data for today's date

Monthly Climate Averages

Historical temperature and precipitation averages for San Antonio, TX, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 96°F / Low: 75°F
Coldest MonthJanuaryAvg High: 63°F / Low: 40°F
Jan
63°/ 40°
💧 6.3"
❄️ 1.9"
Feb
67°/ 44°
💧 5.4"
❄️ 0.7"
Mar
75°/ 52°
💧 6.2"
Apr
81°/ 59°
💧 9.0"
May
87°/ 67°
💧 12.4"
Jun
93°/ 73°
💧 12.9"
Jul
95°/ 75°
💧 11.8"
Aug
96°/ 75°
💧 12.2"
Sep
91°/ 70°
💧 13.4"
Oct
83°/ 60°
💧 13.0"
Nov
72°/ 50°
💧 8.2"
Dec
65°/ 43°
💧 5.7"
❄️ 1.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

San Antonio Temperature Records

  • Record High: The hottest temperature ever recorded in San Antonio, TX is 113°F, set on August 28, 2011.
  • Record Low: The coldest temperature ever recorded in San Antonio, TX is 6°F, set on December 23, 1989.
  • Data Coverage: Based on 28 years of data from NOAA weather station: SAN ANTONIO INCARNATE WORD.

All-Time Record High

113°F
August 28, 2011

All-Time Record Low

6°F
December 23, 1989

Monthly Temperature Records in San Antonio

MonthRecord HighRecord Low
January91°F(2026)13°F(1970)
February100°F(1996)9°F(2021)
March100°F(1971)19°F(1980)
April102°F(2022)31°F(1987)
May106°F(2022)41°F(2013)
June108°F(1998)53°F(2004)
July109°F(2018)57°F(2019)
August113°F(2011)61°F(2017)
September112°F(2000)45°F(2020)
October100°F(2019)27°F(1993)
November94°F(1988)21°F(1976)
December91°F(2024)6°F(1989)
Texas State RecordsSee all-time records for the entire state
San Antonio Snow RecordsSee the top 10 snowiest days ever recorded