Northstar weather in December 2025

Expect daytime maximum temperatures of 5°C in Northstar, California in December based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 134 mm of rainfall in the month, which might fall as snow.

  • 5°C maximum daytime temperature in December in Northstar5
    5°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in December in Northstar7
    7 days with some rainfall
  • -7°C minimum night-time temperature in December in Northstar-7
    -7°C min night temperature
  • 9 hours of daylight per day in December in Northstar9
    9 hours of daylight per day
  • No heat & humidity in December in Northstar0
    No heat & humidity
  • 134 mm monthly rainfall in December in Northstar134
    134 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Northstar2
    2 (Low) UV index

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Northstar by month

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The December weather guide for California (Northstar) 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)

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How cold is it in Northstar in December?

Daytime temperatures usually reach 5°C in Northstar in December, falling to -7°C at night.

How sunny is it in Northstar in December?

There are normally 6 hours of bright sunshine each day in Northstar in December - that's 60% of daylight hours.

Does it rain in Northstar in December?

There are usually 7 days with some rain in Northstar in December and the average monthly rainfall is 134mm. Rain may fall as snow in this month.

Northstar December sunrise & sunset times

Browse the sunrise and sunset times for Northstar in December 2025. Select a month to view Northstar sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:02 16:38
Tuesday, 16th December 2025 07:14 16:39
Wednesday, 31st December 2025 07:20 16:48

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