San Francisco weather in December (California, United States of America)
How is the weather in San Francisco in December? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.
In December, San Francisco typically experiences moderate temperatures and high rainfall. Daytime temperatures hover around 14°C, while nights can cool down to about 7°C. This month often claims the chilliest averages of the year.
San Francisco in December usually receives high rainfall, averaging around 112 mm for the month. It is the wettest month of the year, so an umbrella might come in handy. Rain is expected on roughly 13 days.
The area enjoys a balanced 160 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit San Francisco. May, June, July, August, September and October generally stand out with the best circumstances. While December tends to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Francisco climate page with graphs.
San Francisco, monthly averages in December
Min Temperature
7°C
Max Temperature
14°C
Water Temperature
13°C
Chance of Rain
43%
Precipitation
112 mm
Rainy days
13 days
Humidity
78%
Windspeed
11 km/h
Sunshine
160 hours
Percentage Sunshine
54%
Where to go in the United States of America in December
Find out more about the weather in the United States of America in December and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in San Francisco in December?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 13°C there is no need to bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in December.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in San Francisco.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
