Weather in San Francisco in January 2019

  • 13°C maximum daytime temperature in January in San Francisco13
    13°C max day temperature
  • 6 hours of sunshine per day (60% of daylight hours) in January in San Francisco6
    6 hours of sunshine per day
  • 10 days with some rainfall in January in San Francisco10
    10 days with some rainfall
  • 7°C minimum night-time temperature in January in San Francisco7
    7°C min night temperature
  • 10 hours of daylight per day in January in San Francisco10
    10 hours of daylight per day
  • No heat & humidity in January in San Francisco0
    No heat & humidity
  • 125 mm monthly rainfall in January in San Francisco125
    125 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in San Francisco2
    2 (Low) UV index
  • 11°C sea temperature in January in San Francisco11
    11°C sea temperature

Going to San Francisco? Find the best month to visit San Francisco based on the weather.

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Expect 13°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in San Francisco in January. Check more long-term weather averages for San Francisco in January before you book your next holiday to California in 2019/2020.

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More about San Francisco

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The January weather guide for San Francisco, California shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to San Francisco weather in January

The average maximum daytime temperature in San Francisco in January is a cool 13°C (55°F). The average night-time temperature is usually a cold 7°C (45°F). There are usually 6 hours of bright sunshine each day, which represents 60% of the 10 hours of daylight.

Expect 125mm (4.9 inches) of rainfall across the whole of January with 10 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear.

The average sea temperature in and around San Francisco in January is 11°C (52°F).

San Francisco sunrise & sunset times for January 2019

Browse the sunrise & sunset times for San Francisco in January 2019. Select a month to view San Francisco sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st January 2019 07:25 17:02
Wednesday, 2nd January 2019 07:25 17:02
Thursday, 3rd January 2019 07:25 17:03
Friday, 4th January 2019 07:25 17:04
Saturday, 5th January 2019 07:25 17:05
Sunday, 6th January 2019 07:25 17:06
Monday, 7th January 2019 07:25 17:07
Tuesday, 8th January 2019 07:25 17:08
Wednesday, 9th January 2019 07:25 17:09
Thursday, 10th January 2019 07:25 17:10
Friday, 11th January 2019 07:25 17:10
Saturday, 12th January 2019 07:25 17:11
Sunday, 13th January 2019 07:24 17:12
Monday, 14th January 2019 07:24 17:14
Tuesday, 15th January 2019 07:24 17:15
Wednesday, 16th January 2019 07:24 17:16
Thursday, 17th January 2019 07:23 17:17
Friday, 18th January 2019 07:23 17:18
Saturday, 19th January 2019 07:22 17:19
Sunday, 20th January 2019 07:22 17:20
Monday, 21st January 2019 07:21 17:21
Tuesday, 22nd January 2019 07:21 17:22
Wednesday, 23rd January 2019 07:20 17:23
Thursday, 24th January 2019 07:20 17:24
Friday, 25th January 2019 07:19 17:25
Saturday, 26th January 2019 07:18 17:26
Sunday, 27th January 2019 07:18 17:28
Monday, 28th January 2019 07:17 17:29
Tuesday, 29th January 2019 07:16 17:30
Wednesday, 30th January 2019 07:15 17:31
Thursday, 31st January 2019 07:15 17:32
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Popular California destinations

Below are average maximum temperatures at popular destinations in California in January. Select a destination to see more weather parameters.

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