San Francisco weather in December 2020

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  • 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 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.

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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 sunrise & sunset times for December 2020

Browse the sunrise & sunset times for San Francisco in December 2020. Select a month to view San Francisco sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st December 2020 07:07 16:51
Wednesday, 16th December 2020 07:19 16:52
Thursday, 31st December 2020 07:25 17:01
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in California in December for 2020/2021?

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

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