San Francisco weather in January

January in San Francisco averages 58°F by day and 47°F at night, with 4.4 inches of precipitation. It is the 12th-warmest and 2nd-wettest month of the year here.

San FranciscoCaliforniaPop. 826,079
Average high
58°F-0° vs December
Average low
47°F0 nights below freezing
Precipitation
4.4 in8 days with 0.1 in. or more
Snow
0.0 in0 days at 90°F+

Is January a good time to visit San Francisco?

January is cool, with highs around 58°F. The most comfortable months overall are March to November.

On January 15 the sun rises at 7:24 am and sets at 5:14 pm, giving 9h 51m of daylight. Daylight all year.

What to pack for San Francisco in January

  • Long sleeves, a warm jacket and closed shoes
  • An umbrella or rain jacket

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

January nearby

CityDistanceHighLowPrecip.
San Francisco58°F47°F4.4 in
Daly City, CA5 mi59°F46°F3.9 in
Alameda, CA10 mi58°F42°F3.4 in
Oakland, CA10 mi60°F45°F4.4 in
Berkeley, CA10 mi59°F43°F4.8 in
Richmond, CA12 mi58°F44°F4.8 in
San Leandro, CA16 mi59°F43°F2.9 in

Warmer places in January

Big cities with comfortable January highs between 68°F and 86°F:

Frequently asked questions

What is the weather like in San Francisco in January?

In January, San Francisco averages a high of 58°F and a low of 47°F, with 4.4 inches of precipitation (NOAA 1991-2020 normals).

Is January a good time to visit San Francisco?

January is cool to cold in San Francisco, with average highs of 58°F. Pack warm layers.

Does it snow in San Francisco in January?

Rarely. The January snowfall normal is under half an inch.

Before and after: San Francisco in December and San Francisco in February. All twelve months: San Francisco weather by month.

NOAA NCEI 1991-2020 climate normals, station San Francisco Downtown, CA, 0.5 miles from the city center; snowfall from San Francisco Oceanside, CA.