Anchorage weather in December 2025

Expect daytime maximum temperatures of -6°C in Anchorage, Alaska in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 11 days with some rainfall, which might fall as snow.

  • -6°C maximum daytime temperature in December in Anchorage-6
    -6°C max day temperature
  • 2 hours of sunshine per day
  • 11 days with some rainfall in December in Anchorage11
    11 days with some rainfall
  • -13°C minimum night-time temperature in December in Anchorage-13
    -13°C min night temperature
  • 6 hours of daylight per day in December in Anchorage6
    6 hours of daylight per day
  • No heat & humidity in December in Anchorage0
    No heat & humidity
  • 34 mm monthly rainfall in December in Anchorage34
    34 mm of monthly rainfall
  • No UV (maximum) index in December in Anchorage0
    No UV (Maximum) Index UV index
  • 3°C sea temperature in December in Anchorage3
    3°C sea temperature

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The December weather guide for Alaska (Anchorage) 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 Anchorage in December?

Daytime temperatures usually reach -6°C in Anchorage in December, falling to -13°C at night.

How sunny is it in Anchorage in December?

There are normally 2 hours of bright sunshine each day in Anchorage in December - that's 32% of daylight hours.

Is the sea cold around Anchorage in December?

The average sea temperature around Anchorage in December is 3°C.

Does it rain in Anchorage in December?

There are usually 11 days with some rain in Anchorage in December and the average monthly rainfall is 34mm. Rain may fall as snow in this month.

Anchorage December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 09:46 15:51
Tuesday, 16th December 2025 10:10 15:40
Wednesday, 31st December 2025 10:14 15:52

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