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

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

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.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a 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   Jan 29
11°C | 8°C
WSW 37 kmph
6.8 mm
Moderate rain

Moderate rain

MON   Jan 30
12°C | 6°C
ENE 21 kmph
TUE   Jan 31
13°C | 6°C
SSE 11 kmph

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.