Anchorage weather in December 2026

Q: How cold is it in Anchorage in December?

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

Q: 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.

Q: Is the sea cold around Anchorage in December?

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

Q: 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.

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
-6°C max day temperature
2
2 hours of sunshine per day
11
11 days with some rainfall
-13
-13°C min night temperature
6
6 hours of daylight per day
0
No heat & humidity
34
34 mm of monthly rainfall
0
No UV (Maximum) Index UV index
3
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.