San Francisco - Recent October Temperatures and Rainfall





The numbers here describe what the October weather in San Francisco, California was like for every year since 2010. A series of tables gives October 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 hot days occurred each October. 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

October temperature averages by year in San Francisco
High °F Low °F Year High °C Low °C
74 57 2020 23 14
72 55 2019 22 13
69 55 2018 21 13
72 55 2017 22 13
68 56 2016 20 13
73 58 2015 23 15
73 58 2014 23 14
68 52 2013 20 11
69 55 2012 21 13
71 56 2011 21 13
67 54 2010 19 12
Number of days in October 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 19 4
2019 15 0
2018 12 0
2017 19 0
2016 8 0
2015 23 0
2014 17 2
2013 11 0
2012 11 2
2011 17 0
2010 8 0

Rainy Weather iconRain

This table gives the total precipitation that fell on San Francisco during October 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 October in San Francisco
Days Year Inches Milli­metres
1 2020 0.0 0
1 2019 0.0 0
1 2018 0.2 5
2 2017 0.3 8
12 2016 2.4 62
0 2015 0.0 0
3 2014 0.5 12
0 2013 0.0 0
7 2012 1.5 37
6 2011 1.4 35
7 2010 1.8 46
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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