Juneau City and Borough (Juneau)
December
Weather in Juneau City and Borough, Alaska for December 2026
Your guide to Juneau City and Borough weather in December - trends and predictions
Expect heavy snowfall in Juneau City and Borough during December, with an average of 20 snowy days.
In general, the average temperature in Juneau City and Borough 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 City and Borough? check out the best time to travel to Juneau City and Borough page.
✨ Is December a good time to visit Juneau City and Borough? – 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 City and Borough Weather December
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Temperatures trend during December in Juneau City and Borough
See the weather trend as well as the moving average line
December weather in Juneau City and Borough 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 City and Borough 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 City and Borough forecast closer to your planned date for the most up-to-date weather information.
Change Month
Juneau City and Borough in December - FAQ
What are the expected maximum and minimum temperatures in Juneau City and Borough 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 City and Borough during December?
Significant rainfall exceeding 374.3 mm is expected in Juneau City and Borough during December, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Juneau City and Borough in December 2026?
Juneau City and Borough experiences an average snowfall of 236.9 cm during December, occurring over 20 days.
What are the typical wind conditions in Juneau City and Borough during December?
The average wind speed in Juneau City and Borough during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Juneau City and Borough snow forecast December 2026
Track daily snowfall levels and discover Juneau City and Borough’s snowy potential this December ❄️
On average, Juneau City and Borough sees 20 snowy days during December, with approximately 236.9 cm of total snowfall.
December rainfall patterns in Juneau City and Borough
Explore the daily rainfall trends and prepare for Juneau City and Boroughs December weather 💧
Typically, Juneau City and Borough has 2 rainy days in December with a total of 374.3 mm of rainfall.
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