San Francisco weather in December 2022

  • 14°C maximum daytime temperature in December in San Francisco14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in December in San Francisco10
    10 days with some rainfall
  • 7°C minimum night-time temperature in December in San Francisco7
    7°C min night temperature
  • 10 hours of daylight per day in December in San Francisco10
    10 hours of daylight per day
  • No heat & humidity in December in San Francisco0
    No heat & humidity
  • 97 mm monthly rainfall in December in San Francisco97
    97 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in San Francisco2
    2 (Low) UV index
  • 12°C sea temperature in December in San Francisco12
    12°C sea temperature
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The December weather guide for California (San Francisco) 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.

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

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More about San Francisco

How warm is it in San Francisco in December?

Daytime temperatures usually reach 14°C in San Francisco in December, falling to 7°C at night.

How sunny is it in San Francisco in December?

There are normally 5 hours of bright sunshine each day in San Francisco in December - that's 53% of daylight hours.

How warm is the sea around San Francisco in December?

The average sea temperature around San Francisco in December is 12°C.

Does it rain in San Francisco in December?

There are usually 10 days with some rain in San Francisco in December and the average monthly rainfall is 97mm.

San Francisco December sunrise & sunset times

Browse the sunrise and sunset times for San Francisco in December 2022. Select a month to view San Francisco sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st December 2022 07:06 16:51
Friday, 16th December 2022 07:19 16:52
Saturday, 31st December 2022 07:25 17:01

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