Santa Monica weather in December 2021

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  • 19°C maximum daytime temperature in December in Santa Monica19
    19°C max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in December in Santa Monica5
    5 days with some rainfall
  • 8°C minimum night-time temperature in December in Santa Monica8
    8°C min night temperature
  • 10 hours of daylight per day in December in Santa Monica10
    10 hours of daylight per day
  • No heat & humidity in December in Santa Monica0
    No heat & humidity
  • 49 mm monthly rainfall in December in Santa Monica49
    49 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in December in Santa Monica3
    3 (Moderate) UV index
  • 15°C sea temperature in December in Santa Monica15
    15°C sea temperature
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Expires at 23:59 on Friday 31st Dec 2021

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The December weather guide for Santa Monica, 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.

How hot is it in Santa Monica in December?

Daytime temperatures usually reach 19°C in Santa Monica in December, falling to 8°C at night.

How sunny is it in Santa Monica in December?

There are normally 7 hours of bright sunshine each day in Santa Monica in December - that's 68% of daylight hours.

How warm is the sea around Santa Monica in December?

The average sea temperature around Santa Monica in December is 15°C.

Does it rain in Santa Monica in December?

There are usually 5 days with some rain in Santa Monica in December and the average monthly rainfall is 49mm.

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

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Santa Monica sunrise & sunset times for December 2021

Browse the sunrise and sunset times for Santa Monica in December 2021. Select a month to view Santa Monica sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st December 2021 06:42 16:45
Thursday, 16th December 2021 06:53 16:47
Friday, 31st December 2021 06:59 16:55
  • Save 30% on Covid-19 Fit to Fly test & travel certificate
  • Home Covid-19 PCR test with free express delivery
  • Receive online results within 24-72 hours once test at lab
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Expires at 23:59 on Friday 31st Dec 2021

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