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Weather in Alaska for December 2025

Your guide to Alaska weather in December - trends and predictions

    Snow Forecast ❄️

  • The climate of Alaska in December is quite snowy, averaging 13 snowy days.

    • Temperatures

  • In general, the average temperature in Alaska at the beginning of December is 6.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 3.1 °F by the end of December.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
1
Dry days
Average rainy days
17
Rainy days
Average snowy days
13
Snow days
Average temperatures
4°/1°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
90 %
Avg humidity

Alaska Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Heavy snow
6°
2
Moderate or heavy snow showers
6°
3
Moderate or heavy rain with thunder
7°
4
Heavy rain
7°
5
Moderate or heavy rain with thunder
7°
6
Moderate or heavy rain with thunder
6°
7
Light sleet
5°
8
Light sleet showers
5°
9
Heavy snow
5°
10
Patchy rain possible
4°
11
Overcast
3°
12
Moderate or heavy sleet
6°
13
Moderate or heavy snow showers
5°
14
Light freezing rain
2°
15
Light rain shower
3°
16
Overcast
1°
17
Heavy snow
1°
18
Light freezing rain
1°
19
Light rain
3°
20
Moderate rain
5°
21
Moderate or heavy sleet
6°
22
Moderate or heavy snow showers
5°
23
Light sleet
6°
24
Moderate or heavy sleet
5°
25
Moderate rain
4°
26
Moderate or heavy snow showers
4°
27
Heavy snow
2°
28
Moderate or heavy rain with thunder
3°
29
Light rain
4°
30
Moderate or heavy rain with thunder
3°
31
Overcast
2°

What’s the Weather Like in Alaska This December?

Discover the average temperatures and weather trends across Alaska’s cities this December.
Heavy freezing drizzleKetchikan4 °F / 1 °FModerate snowJuneau-2 °F / -6 °FCloudyAnchorage-6 °F / -11 °FModerate snowSkagway-5 °F / -10 °FCloudyFairbanks-15 °F / -23 °FModerate rain at timesSitka4 °F / 2 °FOvercastDenali National Park-15 °F / -20 °FModerate or heavy rain showerGlacier Bay National Park and Preserve2 °F / -1 °FModerate or heavy snow showersWhittier-1 °F / -4 °FCloudyWainwright-21 °F / -25 °FLight freezing rainValdez-1 °F / -5 °FLight freezing rainSeward0 °F / -3 °FMore Locations

Temperatures trend during December in Alaska

See the weather trend as well as the moving average line

December weather in Alaska day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Heavy snow
Heavy snow
 6° /0° 94.6 mm 5.8 cm
Dec. 2 Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /3° 113.7 mm 7.2 cm
Dec. 3 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 7° /3° 66.6 mm 3.8 cm
Dec. 4 Heavy rain
Heavy rain
 7° /5° 44.2 mm 0 cm
Dec. 5 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 7° /5° 59.9 mm 0 cm
Dec. 6 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 6° /3° 42.1 mm 0 cm
Dec. 7 Light sleet
Light sleet
 5° /3° 29.2 mm 2.2 cm
Dec. 8 Light sleet showers
Light sleet showers
 5° /2° 5.2 mm 2.1 cm
Dec. 9 Heavy snow
Heavy snow
 5° /1° 37.2 mm 13.5 cm
Dec. 10 Patchy rain possible
Patchy rain possible
 4° /0° 36.2 mm 0 cm
Dec. 11 Overcast
Overcast
 3° /0° 41 mm 0 cm
Dec. 12 Moderate or heavy sleet
Moderate or heavy sleet
 6° /2° 49.3 mm 0 cm
Dec. 13 Moderate or heavy snow showers
Moderate or heavy snow showers
 5° /2° 12.8 mm 0.7 cm
Dec. 14 Light freezing rain
Light freezing rain
 2° /0° 0.9 mm 0 cm
Dec. 15 Light rain shower
Light rain shower
 3° /0° 6 mm 0 cm
Dec. 16 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Dec. 17 Heavy snow
Heavy snow
 1° /-2° 13.1 mm 4.9 cm
Dec. 18 Light freezing rain
Light freezing rain
 1° /-1° 14.1 mm 7.7 cm
Dec. 19 Light rain
Light rain
 3° /1° 42.1 mm 0 cm
Dec. 20 Moderate rain
Moderate rain
 5° /2° 28.6 mm 0 cm
Dec. 21 Moderate or heavy sleet
Moderate or heavy sleet
 6° /2° 39 mm 0 cm
Dec. 22 Moderate or heavy snow showers
Moderate or heavy snow showers
 5° /1° 51.9 mm 4.9 cm
Dec. 23 Light sleet
Light sleet
 6° /2° 45 mm 0 cm
Dec. 24 Moderate or heavy sleet
Moderate or heavy sleet
 5° /2° 23.3 mm 0 cm
Dec. 25 Moderate rain
Moderate rain
 4° /1° 108.9 mm 0 cm
Dec. 26 Moderate or heavy snow showers
Moderate or heavy snow showers
 4° /1° 16.8 mm 2.7 cm
Dec. 27 Heavy snow
Heavy snow
 2° /-1° 53.3 mm 4.8 cm
Dec. 28 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 3° /0° 27.6 mm 0 cm
Dec. 29 Light rain
Light rain
 4° /1° 22.3 mm 0 cm
Dec. 30 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 3° /0° 15.3 mm 0 cm
Dec. 31 Overcast
Overcast
 2° /0° 5.6 mm 0.4 cm
Next
Important Notice
Our weather forecast for Alaska in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Alaska forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Alaska in December - FAQ

What are the expected maximum and minimum temperatures in Alaska during December?
During December, expect a variety of temperatures with highs around 4° and lows near 1°, suitable for diverse activities and preferences.
How much rainfall should be expected in Alaska during December?
Significant rainfall exceeding 1145.7 mm is expected in Alaska during December, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Alaska in December 2025?
Alaska experiences an average snowfall of 60.53 cm during December, occurring over 13 days.
What are the typical wind conditions in Alaska during December?
The average wind speed in Alaska during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Alaska snow forecast December 2025

Track daily snowfall levels and discover Alaska’s snowy potential this December ❄️

December rainfall patterns in Alaska

Explore the daily rainfall trends and prepare for Alaskas December weather 💧
Counties in Alaska
Select a county for an accurate weather forecast
Anchorage MunicipalityChugach Census AreaCity and Borough of WrangellDenali BoroughFairbanks North Star BoroughJuneau City and BoroughKenai Peninsula BoroughKetchikan Gateway BoroughMatanuska-Susitna BoroughNorth Slope BoroughSitka City and BoroughSkagway Municipality
Top locations in Alaska
Select a location for an accurate weather forecast
AnchorageDenali National ParkFairbanksGlacier Bay National Park and PreserveJuneauKetchikanSitkaSkagwayValdezWhittier
More Locations

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Location coordinates Where is Alaska?

Get accurate weather forecasts for Alaska, located at latitude 55.342 and longitude -131.648. Stay updated with localized weather information tailored for Alaska.

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