Average weather in January 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 January is 8.2°C (46.76°F). The amount of rain in January is high with an average of 111mm (4.4in). It rains on average a total of 12 days. The average maximum daytime temperature lies around 14.4°C (57.92°F). This makes January the coldest month of the year. The sun will occasionally show itself with 186 hours of sunshine during the whole month.


So what to wear in January? Visitors traveling to San Francisco should plan on bringing a totally waterproof rain jacket 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

Min Temperature 8 °C
Max Temperature 14 °C
Water Temperature 12 °C
Chance of Rain 40%
Precipitation 111mm
Rainy Days 12
Sunshine Hours 186

Where to stay in San Francisco

What is the best place to go in January in United States of America?

Find out more about the weather in January in United States of America and which places have the best weather conditions in this month.

What To Do

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

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

Weather Forecasts for San Francisco (California)

SUN Jun 26
23°C | 12°C
Sunny

Sunny

MON Jun 27
21°C | 13°C
Sunny

Sunny

TUE Jun 28
19°C | 12°C
Sunny

Sunny

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 United States of America? On this website you can find historical weather averages for many cities in 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.