San Antonio - Recent August Temperatures and Rainfall





The numbers here describe what the August weather in San Antonio, Texas was like for every year since 2010. A series of tables gives August data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each August. Then there's information on how much rain actually landed this month during recent years, as well as how often San Antonio had wet weather.

The climate data come from weather measurements made at San Antonio's International Airport.

Temperature Weather iconTemperature

August temperature averages by year in San Antonio
High °F Low °F Year High °C Low °C
95 76 2021 35 24
100 76 2020 38 24
99 78 2019 37 26
98 76 2018 36 24
94 75 2017 34 24
92 76 2016 33 24
98 77 2015 37 25
99 77 2014 37 25
101 77 2013 38 25
99 76 2012 37 24
102 79 2011 39 26
98 77 2010 36 25
Number of days in August when the temperature in San Antonio rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2021 31 29
2020 31 31
2019 31 31
2018 31 29
2017 31 26
2016 31 22
2015 31 30
2014 31 31
2013 31 31
2012 31 31
2011 31 31
2010 31 31

Rainy Weather iconRain

This table gives the total precipitation that fell on San Antonio during August in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for August in San Antonio
Days Year Inches Milli­metres
7 2021 1.3 33
3 2020 0.9 23
2 2019 0.3 8
3 2018 0.6 16
8 2017 5.9 149
11 2016 4.9 125
3 2015 0.3 7
1 2014 0.1 2
5 2013 0.9 22
2 2012 2.4 61
1 2011 0.2 4
1 2010 0.1 2
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

San Antonio - Recent Years
San Antonio - Extremes
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