What is the highest temperature ever recorded in San Antonio, TX?

The record high temperature in San Antonio, TX is 113°F, recorded on August 28, 2011.

What is the lowest temperature ever recorded in San Antonio, TX?

The record low temperature in San Antonio, TX is 6°F, recorded on December 23, 1989.

Historical Weather in San Antonio, TX

Name: San Antonio, TX Temperature Records
Creator: NOAA

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

Part of Texas weather history · Texas temperature records

Look Up a Specific Date

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

→

Trending Now

🌊

El Niño 2026 ForecastSuper El Niño 50% likely

🌀

Hurricane Season 202613 storms predicted

🔥

Hottest Temps Ever RecordedAll 50 states ranked

🎆

4th of July Weather History40 cities compared

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°

💧 9.2"

May

87°/ 67°

💧 12.5"

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, TX Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

Avg high Avg low

San Antonio, TX Monthly Precipitation

Average rainfall and snowfall per month, in inches.

Rain (in) Snow (in)

San Antonio, TX Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

Cooler

Hotter

20°40°60°80°100°

Best Time to Visit San Antonio, TX

San Antonio, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

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)