Juneau (AK)
December
Weather in Juneau, Alaska for December 2026
Your guide to Juneau weather in December - trends and predictions
Expect heavy snowfall in Juneau during December, with an average of 20 snowy days.
In general, the average temperature in Juneau at the beginning of December is -0.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.6 °C by the end of December.
Is December a good time to visit Juneau? check out the best time to travel to Juneau page.
✨ Is December a good time to visit Juneau? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
More
9
Dry days
2
Rainy days
20
Snow days
-5°/-9°
Temperatures
13 km/h
Avg max wind
89 %
Avg humidity
Juneau Weather December
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Temperatures trend during December in Juneau
See the weather trend as well as the moving average line
December weather in Juneau day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Heavy snow | -3° /-8° | 22.3 mm | 14.7 cm | |
| Dec. 2 |  Patchy light snow | -2° /-6° | 18 mm | 8.7 cm | |
| Dec. 3 | Light snow | -1° /-2° | 17.6 mm | 3.5 cm | |
| Dec. 4 |  Moderate snow | 1° /-1° | 15.1 mm | 5.2 cm | |
| Dec. 5 |  Moderate or heavy snow with thunder | 1° /-2° | 28 mm | 12.6 cm | |
| Dec. 6 |  Moderate or heavy snow showers | 1° /-1° | 24.6 mm | 12.5 cm | |
| Dec. 7 | Moderate or heavy snow showers | -2° /-7° | 9.4 mm | 7.3 cm | |
| Dec. 8 | Moderate or heavy snow with thunder | -5° /-9° | 10.5 mm | 8.8 cm | |
| Dec. 9 | Moderate snow | -7° /-11° | 6.5 mm | 5.5 cm | |
| Dec. 10 | Light snow | -8° /-11° | 5 mm | 2.3 cm | |
| Dec. 11 | Moderate snow | -7° /-10° | 9.9 mm | 6.2 cm | |
| Dec. 12 | Heavy snow | -6° /-8° | 23.9 mm | 19.8 cm | |
| Dec. 13 | Moderate or heavy snow with thunder | -5° /-11° | 9.3 mm | 7.7 cm | |
| Dec. 14 | Heavy snow | -5° /-9° | 13.1 mm | 10.5 cm | |
| Dec. 15 | Moderate or heavy snow showers | -8° /-11° | 11.7 mm | 9.4 cm | |
| Dec. 16 | Light snow | -9° /-11° | 5.8 mm | 4.4 cm | |
| Dec. 17 | Moderate or heavy snow showers | -8° /-12° | 8.5 mm | 7.2 cm | |
| Dec. 18 |  Overcast | -10° /-14° | 0.2 mm | 0.1 cm | |
| Dec. 19 | Overcast | -11° /-15° | 0.1 mm | 0.1 cm | |
| Dec. 20 | Moderate snow | -9° /-13° | 8.2 mm | 6.9 cm | |
| Dec. 21 | Light snow | -8° /-11° | 3.1 mm | 2.5 cm | |
| Dec. 22 | Moderate or heavy snow with thunder | -9° /-13° | 3.7 mm | 1.5 cm | |
| Dec. 23 | Heavy snow | -8° /-11° | 14.3 mm | 10.1 cm | |
| Dec. 24 | Heavy snow | -6° /-10° | 19.1 mm | 15.6 cm | |
| Dec. 25 | Moderate snow | -5° /-10° | 10.9 mm | 8.6 cm | |
| Dec. 26 | Moderate or heavy snow showers | -6° /-11° | 11 mm | 8.7 cm | |
| Dec. 27 | Moderate snow | -5° /-12° | 7.2 mm | 5.2 cm | |
| Dec. 28 | Heavy snow | -3° /-8° | 18.7 mm | 13.5 cm | |
| Dec. 29 | Moderate snow | -4° /-8° | 18.3 mm | 9.7 cm | |
| Dec. 30 |  Light freezing rain | -4° /-7° | 15.9 mm | 5 cm | |
| Dec. 31 | Light snow | -5° /-9° | 4.3 mm | 3.1 cm | |
| Next | |||||
Important Notice
Our weather forecast for Juneau 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 Juneau forecast closer to your planned date for the most up-to-date weather information.
Change Month
Juneau in December - FAQ
What are the expected maximum and minimum temperatures in Juneau during December?
Brace for cold days with temperatures not exceeding -5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Juneau during December?
Significant rainfall exceeding 374.3 mm is expected in Juneau during December, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Juneau in December 2026?
Juneau experiences an average snowfall of 236.9 cm during December, occurring over 20 days.
What are the typical wind conditions in Juneau during December?
The average wind speed in Juneau during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Juneau snow forecast December 2026
Track daily snowfall levels and discover Juneau’s snowy potential this December ❄️
On average, Juneau sees 20 snowy days during December, with approximately 236.9 cm of total snowfall.
December rainfall patterns in Juneau
Explore the daily rainfall trends and prepare for Juneaus December weather 💧
Typically, Juneau has 2 rainy days in December with a total of 374.3 mm of rainfall.
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