Average Weather during December in San Francisco (California), United States of America

The average minimum temperature (usually the minimum temperature is noted during the night) in San Francisco in December is 8.0°C (46.4°F). The amount of rain in December is high with an average of 115mm (4.5in). This makes it the most wet month of the year. The average maximum daytime temperature lies around 14.0°C (57.2°F). The sun will occasionally show itself with 160 hours of sunshine during the whole month.


So what to wear in December? Visitors traveling to San Francisco should plan on bringing a totally waterproof rain jacket since it will often be raining. Also plan on bringing your warm clothes, it can be a bit chilly during this period. With a water temperature of around 13.0°C (55.4°F), there is no need to bring your swimwear.

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 with our weather planner.

For other monthly average weather and what to do in December look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 8 °C
Max Temperature 14 °C
Water Temperature 13 °C
Chance of Rain 40%
Precipitation 115mm
Rainy Days 12
Sunshine Hours 160

Where to stay in San Francisco

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

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.