San Francisco - Recent August Temperatures and Rainfall





The numbers here describe what the August weather in San Francisco, California 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 Francisco had wet weather.

The climate data come from weather measurements made in downtown San Francisco.

Temperature Weather iconTemperature

August temperature averages by year in San Francisco
High °F Low °F Year High °C Low °C
69 57 2020 21 14
71 58 2019 21 14
66 55 2018 19 13
68 57 2017 20 14
65 55 2016 18 13
72 60 2015 22 16
68 58 2014 20 15
67 56 2013 19 13
65 54 2012 18 12
65 54 2011 18 12
65 53 2010 18 12
Number of days in August when the temperature in San Francisco rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2020 11 0
2019 15 0
2018 3 0
2017 8 0
2016 1 0
2015 20 1
2014 5 0
2013 3 0
2012 4 0
2011 1 0
2010 4 1

Rainy Weather iconRain

This table gives the total precipitation that fell on San Francisco 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 Francisco
Days Year Inches Milli­metres
1 2020 0.0 0
0 2019 0.0 0
0 2018 0.0 0
1 2017 0.0 0
1 2016 0.0 1
2 2015 0.0 1
1 2014 0.0 0
2 2013 0.0 1
1 2012 0.0 0
1 2011 0.0 1
1 2010 0.0 0
Reference

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

San Francisco - Recent Years
San Francisco - Extremes
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