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Weather in Alaska for December 2026

Your guide to Alaska weather in December - trends and predictions

    Snow Forecast ❄️

  • Alaska typically experiences moderate snowfall in December, with an average of 7 snowy days.

    • Temperatures

  • In general, the average temperature in Alaska at the beginning of December is 6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2.9 °C by the end of December.

    • More

  • Is December a good time to visit Alaska? check out the best time to travel to Alaska page.

  • ✨ Is December a good time to visit Alaska? – Ask the AI Weatherman

Average dry days
7
Dry days
Average rainy days
17
Rainy days
Average snowy days
7
Snow days
Average temperatures
3°/0°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
88 %
Avg humidity

Alaska Weather December

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

What’s the Weather Like in Alaska This December?

Discover the average temperatures and weather trends across Alaska’s cities this December.
CloudyKetchikan3 °C / 0 °CModerate snowJuneau-5 °C / -9 °CCloudyAnchorage-8 °C / -12 °CModerate snowSkagway-9 °C / -14 °CCloudyFairbanks-19 °C / -26 °CCloudySitka1 °C / -1 °CCloudyDenali National Park-19 °C / -25 °CPatchy rain possibleGlacier Bay National Park and Preserve-2 °C / -5 °CModerate snowSeward-5 °C / -9 °CModerate snowWhittier-7 °C / -12 °CCloudyDenali Park-16 °C / -23 °CSunnyTalkeetna-9 °C / -12 °CMore 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 Light snow
Light snow
 6° /2° 79.3 mm 3.9 cm
Dec. 2 Light snow
Light snow
 6° /4° 78.1 mm 4.8 cm
Dec. 3 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 6° /4° 57.3 mm 2.5 cm
Dec. 4 Heavy rain
Heavy rain
 7° /5° 29.5 mm 0 cm
Dec. 5 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 6° /4° 69.7 mm 0 cm
Dec. 6 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 6° /3° 34.8 mm 0 cm
Dec. 7 Light sleet
Light sleet
 5° /4° 43.2 mm 1.5 cm
Dec. 8 Light sleet showers
Light sleet showers
 5° /1° 24.7 mm 6.5 cm
Dec. 9 Moderate snow
Moderate snow
 2° /-2° 24.8 mm 9 cm
Dec. 10 Moderate rain
Moderate rain
 2° /-3° 24.5 mm 0 cm
Dec. 11 Light snow
Light snow
 1° /-3° 27.3 mm 0 cm
Dec. 12 Moderate or heavy sleet
Moderate or heavy sleet
 2° /-2° 32.9 mm 0 cm
Dec. 13 Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-1° 25 mm 12.4 cm
Dec. 14 Light freezing rain
Light freezing rain
 3° /1° 34.3 mm 0 cm
Dec. 15 Heavy rain
Heavy rain
 4° /1° 37.2 mm 0.4 cm
Dec. 16 Light snow
Light snow
 2° /-1° 13.6 mm 3.7 cm
Dec. 17 Moderate snow
Moderate snow
 1° /-1° 18.6 mm 8.3 cm
Dec. 18 Heavy snow
Heavy snow
 1° /-2° 25.5 mm 13.6 cm
Dec. 19 Heavy rain
Heavy rain
 1° /-1° 28 mm 0 cm
Dec. 20 Moderate rain
Moderate rain
 1° /-2° 19.1 mm 0 cm
Dec. 21 Heavy rain
Heavy rain
 2° /-1° 26 mm 0 cm
Dec. 22 Light snow
Light snow
 -1° /-4° 34.6 mm 3.3 cm
Dec. 23 Light sleet
Light sleet
 1° /-3° 30 mm 0 cm
Dec. 24 Moderate or heavy sleet
Moderate or heavy sleet
 2° /-2° 15.6 mm 0 cm
Dec. 25 Heavy rain
Heavy rain
 3° /-1° 72.6 mm 0 cm
Dec. 26 Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-4° 17.2 mm 6.1 cm
Dec. 27 Moderate snow
Moderate snow
 1° /-5° 46 mm 9.9 cm
Dec. 28 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 4° /1° 66.5 mm 0 cm
Dec. 29 Heavy rain
Heavy rain
 5° /3° 55 mm 0 cm
Dec. 30 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 4° /2° 29.6 mm 0 cm
Dec. 31 Light snow
Light snow
 3° /1° 9.8 mm 1.9 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?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Alaska during December?
Significant rainfall exceeding 1130.3 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 2026?
Alaska experiences an average snowfall of 86.9 cm during December, occurring over 7 days.

What are the typical wind conditions in Alaska during December?
The average wind speed in Alaska during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Alaska snow forecast December 2026

Track daily snowfall levels and discover Alaska’s snowy potential this December ❄️
On average, Alaska sees 7 snowy days during December, with approximately 86.9 cm of total snowfall.

December rainfall patterns in Alaska

Explore the daily rainfall trends and prepare for Alaskas December weather 💧
Typically, Alaska has 17 rainy days in December with a total of 1130.3 mm of rainfall.
Counties in Alaska
Select a county for an accurate weather forecast
Anchorage MunicipalityChugach Census AreaCity and Borough of WrangellDenali BoroughFairbanks North Star BoroughHoonah-Angoon Census AreaJuneau 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 PreserveJuneauKetchikanSewardSitkaSkagwayWhittier
More Locations
Quick links
More Alaska weather pages
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