Average monthly hours of sunshine in San Francisco
- On average, May is the most sunny.
- On average, December has the lowest amount of sunshine.
- The average annual amount of sunhours is: 3070.0 hours
More climate information
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.