San Francisco weather in January (California, United States of America)

What weather conditions can you expect in San Francisco this January? Our page offers a comprehensive look at the weather you can expect this month.

Temperatures

In January, San Francisco usually has moderate temperatures and moderate rainfall. The daytime often sees temperatures reaching 14°C, but nighttime brings a cool-down to 7°C.

Precipitation

San Francisco in January usually receives moderate rainfall, averaging around 70 mm for the month. The climate data from previous years indicates that there are typically about 9 days days of rain.

Average sunshine

The city usually sees around 186 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures 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 January

Min Temperature 7°C  

Max Temperature 14°C  

Water Temperature 12°C  

Chance of Rain 30%  

Precipitation 70 mm  

Rainy days 9 days  

Humidity 80%  

Windspeed 11 km/h  

Sunshine 186 hours  

Percentage Sunshine 61%  

Where to go in the United States of America in January

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

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

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 12°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.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site 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 travel conditions. Find out where to go with our weather planner.