Glacier Bay National Park and Preserve (AK)
December
Weather in Glacier Bay National Park and Preserve, Alaska for December 2025
Your guide to Glacier Bay National Park and Preserve weather in December - trends and predictions
With an average of 3 snowy days, Glacier Bay National Park and Preserve usually enjoys a light touch of snow in December.
In general, the average temperature in Glacier Bay National Park and Preserve at the beginning of December is 3.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 1.4 °F by the end of December.
Glacier Bay National Park and Preserve in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 259.8 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
8
Dry days
20
Rainy days
3
Snow days
2°/-1°
Temperatures
13 km/h
Avg max wind
85 %
Avg humidity
Glacier Bay National Park and Preserve Weather December
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Temperatures trend during December in Glacier Bay National Park and Preserve
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December weather in Glacier Bay National Park and Preserve day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Moderate snow | -1° /-7° | 20.4 mm | 12.9 cm | |
| Dec. 2 |  Moderate or heavy snow showers | 2° /-1° | 31.6 mm | 19.3 cm | |
| Dec. 3 |  Moderate or heavy rain shower | 5° /1° | 39.2 mm | 0 cm | |
| Dec. 4 |  Heavy rain at times | 6° /4° | 16 mm | 0 cm | |
| Dec. 5 | Moderate or heavy rain shower | 6° /4° | 15.7 mm | 0 cm | |
| Dec. 6 | Moderate or heavy rain shower | 6° /0° | 11.4 mm | 0 cm | |
| Dec. 7 |  Overcast | 2° /0° | 0 mm | 0 cm | |
| Dec. 8 |  Patchy rain possible | 2° /0° | 2.5 mm | 0 cm | |
| Dec. 9 | Moderate rain at times | 3° /0° | 6.5 mm | 0 cm | |
| Dec. 10 | Heavy rain at times | 3° /2° | 9.8 mm | 0 cm | |
| Dec. 11 | Moderate rain at times | 4° /2° | 14.2 mm | 0 cm | |
| Dec. 12 | Patchy rain possible | 4° /0° | 2.4 mm | 0 cm | |
| Dec. 13 | Patchy rain possible | 2° /0° | 0.7 mm | 0 cm | |
| Dec. 14 |  Partly cloudy | 0° /-5° | 0 mm | 0 cm | |
| Dec. 15 |  Light freezing rain | 0° /-4° | 0.9 mm | 0 cm | |
| Dec. 16 | Overcast | -1° /-5° | 0 mm | 0 cm | |
| Dec. 17 | Partly cloudy | -4° /-7° | 0 mm | 0 cm | |
| Dec. 18 | Overcast | -5° /-8° | 0 mm | 0 cm | |
| Dec. 19 | Light freezing rain | -1° /-8° | 0.3 mm | 0 cm | |
| Dec. 20 |  Cloudy | 1° /-1° | 0.9 mm | 0.4 cm | |
| Dec. 21 | Patchy rain possible | 4° /0° | 1.2 mm | 0 cm | |
| Dec. 22 | Heavy rain at times | 5° /1° | 10.2 mm | 0 cm | |
| Dec. 23 | Moderate rain at times | 4° /1° | 15.2 mm | 0 cm | |
| Dec. 24 | Moderate or heavy rain shower | 3° /2° | 9.3 mm | 0 cm | |
| Dec. 25 | Moderate rain at times | 4° /1° | 5.6 mm | 0 cm | |
| Dec. 26 | Moderate or heavy rain shower | 3° /2° | 25.3 mm | 0 cm | |
| Dec. 27 | Moderate rain at times | 3° /2° | 5.5 mm | 0 cm | |
| Dec. 28 | Moderate or heavy rain shower | 3° /0° | 15 mm | 0 cm | |
| Dec. 29 | Overcast | 1° /-3° | 0 mm | 0 cm | |
| Dec. 30 |  Sunny | -1° /-4° | 0 mm | 0 cm | |
| Dec. 31 | Partly cloudy | -3° /-5° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Glacier Bay National Park and Preserve 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 Glacier Bay National Park and Preserve forecast closer to your planned date for the most up-to-date weather information.
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Glacier Bay National Park and Preserve in December - FAQ
What are the expected maximum and minimum temperatures in Glacier Bay National Park and Preserve during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Glacier Bay National Park and Preserve during December?
Significant rainfall exceeding 259.8 mm is expected in Glacier Bay National Park and Preserve during December, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Glacier Bay National Park and Preserve in December 2025?
Glacier Bay National Park and Preserve experiences an average snowfall of 32.6 cm during December, occurring over 3 days.
What are the typical wind conditions in Glacier Bay National Park and Preserve during December?
The average wind speed in Glacier Bay National Park and Preserve during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Glacier Bay National Park and Preserve snow forecast December 2025
Track daily snowfall levels and discover Glacier Bay National Park and Preserve’s snowy potential this December ❄️
December rainfall patterns in Glacier Bay National Park and Preserve
Explore the daily rainfall trends and prepare for Glacier Bay National Park and Preserves December weather 💧
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