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
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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
| Month | Record High | Record Low |
|---|---|---|
| January | 91°F(2026) | 13°F(1970) |
| February | 100°F(1996) | 9°F(2021) |
| March | 100°F(1971) | 19°F(1980) |
| April | 102°F(2022) | 31°F(1987) |
| May | 106°F(2022) | 41°F(2013) |
| June | 108°F(1998) | 53°F(2004) |
| July | 109°F(2018) | 57°F(2019) |
| August | 113°F(2011) | 61°F(2017) |
| September | 112°F(2000) | 45°F(2020) |
| October | 100°F(2019) | 27°F(1993) |
| November | 94°F(1988) | 21°F(1976) |
| December | 91°F(2024) | 6°F(1989) |
San Antonio Snow RecordsSee the top 10 snowiest days ever recorded
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