Average humidity in San Francisco (California)

The mean monthly relative humidity over the year in San Francisco (California), United States of America.

Average relative humidity in San Francisco, United States of America   Copyright © 2021  weather-and-climate.com
* Data from weather station: San Francisco, United States of America.
  • On average, January is the most humid.
  • On average, October is the least humid month.
  • The average annual percentage of humidity is: 75.0%

Weather Forecasts for San Francisco (California)

THU Sep 23
23°C | 11°C

Partly cloudy

FRI Sep 24
22°C | 12°C


SAT Sep 25
21°C | 12°C


Where to stay in San Francisco

More Climate Information For San Francisco

Weather and Climate offers all the information you need to know about the climate in San Francisco.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in United States of America and climate and forecast data for all other countries in the world.