San Francisco weather in January (California, United States of America)
The average maximum daytime temperature in San Francisco in January lies at 14.4°C (57.92°F).
On average, it is the month with the lowest temperatures of the year.
The average minimum temperature is 8.2°C (46.76°F) (usually the minimum temperature is noted at night).
The amount of rain during this month is high with an average of 111mm (4.4in).
It rains an average of 12 days of the month.
The sun will occasionally show itself with 186 hours of sunshine during the entire month.
So what to wear in January? Visitors traveling to San Francisco should plan on bringing a totally waterproof coat since it will often be raining. 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. With a water temperature of around 12.0°C (53.6°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 January look at the numbers below.
Monthly Averages in January
Show in Fahrenheit
Where to stay in San Francisco
Where to go in the United States of America in January
Find out more about the weather in the United States of America in January and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in January.
Weather Forecasts for San Francisco (California)
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 almost all countries 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 suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.
