Climate in San Francisco (California), United States of America

See the monthly weather averages in graphs below.
* Data from nearest weather station: San Francisco (California), United States of America (0.0 KM).

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Fahrenheit

Average min and max temperatures in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Average monthly hours of sunshine over the year

This is the monthly total of sunhours

Average monthly sunhours in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Average percent of sunshine over the year

This is the mean percent of sunhours during the day

Average percent of sunshine in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Average water temperature over the year

The monthly mean water temperature. Show in Fahrenheit

Average water temperatures in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Where to stay in San Francisco

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Average humidity over the year

This is the mean monthly relative humidity

Average relative humidity in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

Average wind speed over the year

This is the mean monthly wind speed (meters per second)

Average wind speed in San Francisco, United States of America   Copyright © 2020 www.weather-and-climate.com

What is the best time of year to go to San Francisco in United States of America

San Francisco has a Mediterranean climate which means warm and dry summers with mild winters. It's the perfect city in the US to visit in autumn or early spring. Most rain is seen from November until March, but with more than 150 hours of sunshine you could still consider visiting San Francisco during those months.

During winter the evening temperatures can drop, but almost never below zero.

Here are some average weather facts we collected from our historical climate data:

  • During the month of August, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F).
  • The months January, February, March, November and December have a high chance of precipitation.
  • San Francisco has dry periods in May, June, July, August and September.
  • On average, the warmest month is September with 21°C (69°F).
  • On average, the coldest month is January with 14°C (44°F).
  • December is the wettest month. This month should be avoided if you are not a big fan of rain.
  • July is the driest month.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.