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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

    Snow Forecast ❄️

  • With an average of 3 snowy days, Glacier Bay National Park and Preserve usually enjoys a light touch of snow in December.
    According to Glacier Bay National Park and Preserve snow forecast for December 2025, 3 snowy days are expected at the beginning of December. The first snowfall for December is expected in Monday, December 1.

    • Temperatures

  • The forecast for the first days of December 2025 in Glacier Bay National Park and Preserve predicts a temperature of 2.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Glacier Bay National Park and Preserve at the beginning of December is 0.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 1.4 °F by the end of December.

    • Rain 🌧️

  • Glacier Bay National Park and Preserve in December brings notable rainfall, with an average of 17 rainy days and a total precipitation of 259.8 mm.

    • More

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

Average dry days
11
Dry days
Average rainy days
17
Rainy days
Average snowy days
3
Snow days
Average temperatures
2°/-1°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Glacier Bay National Park and Preserve Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
4°
2
Sunny
6°
3
Moderate rain
6°
4
Patchy rain possible
3°
5
Patchy rain possible
3°
6
Sunny
-9°
7
Partly cloudy
-7°
8
Patchy rain possible
2°
9
Moderate rain at times
3°
10
Heavy rain at times
3°
11
Moderate rain at times
4°
12
Patchy rain possible
4°
13
Patchy rain possible
2°
14
Partly cloudy
0°
15
Light freezing rain
0°
16
Overcast
-1°
17
Partly cloudy
-4°
18
Overcast
-5°
19
Light freezing rain
-1°
20
Cloudy
1°
21
Patchy rain possible
4°
22
Heavy rain at times
5°
23
Moderate rain at times
4°
24
Moderate or heavy rain shower
3°
25
Moderate rain at times
4°
26
Moderate or heavy rain shower
3°
27
Moderate rain at times
3°
28
Moderate or heavy rain shower
3°
29
Overcast
1°
30
Sunny
-1°
31
Partly cloudy
-3°

Temperatures trend during December in Glacier Bay National Park and Preserve

See the weather trend as well as the moving average line

December weather in Glacier Bay National Park and Preserve day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Moderate rain
Moderate rain
 4° /0° 6.6 mm 4.7 cm
Dec. 2 Sunny
Sunny
 6° /3° 0 mm 0 cm
Dec. 3 Moderate rain
Moderate rain
 6° /3° 5.1 mm 1.6 cm
Dec. 4 Patchy rain possible
Patchy rain possible
 3° /1° 3 mm 1.6 cm
Dec. 5 Patchy rain possible
Patchy rain possible
 3° /-4° 0.2 mm 0 cm
Dec. 6 Sunny
Sunny
 -9° /-13° 0 mm 0 cm
Dec. 7 Partly cloudy
Partly cloudy
 -7° /-10° 0 mm 0 cm
Dec. 8 Patchy rain possible
Patchy rain possible
 2° /0° 2.5 mm 0 cm
Dec. 9 Moderate rain at times
Moderate rain at times
 3° /0° 6.5 mm 0 cm
Dec. 10 Heavy rain at times
Heavy rain at times
 3° /2° 9.8 mm 0 cm
Dec. 11 Moderate rain at times
Moderate rain at times
 4° /2° 14.2 mm 0 cm
Dec. 12 Patchy rain possible
Patchy rain possible
 4° /0° 2.4 mm 0 cm
Dec. 13 Patchy rain possible
Patchy rain possible
 2° /0° 0.7 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
 0° /-5° 0 mm 0 cm
Dec. 15 Light freezing rain
Light freezing rain
 0° /-4° 0.9 mm 0 cm
Dec. 16 Overcast
Overcast
 -1° /-5° 0 mm 0 cm
Dec. 17 Partly cloudy
Partly cloudy
 -4° /-7° 0 mm 0 cm
Dec. 18 Overcast
Overcast
 -5° /-8° 0 mm 0 cm
Dec. 19 Light freezing rain
Light freezing rain
 -1° /-8° 0.3 mm 0 cm
Dec. 20 Cloudy
Cloudy
 1° /-1° 0.9 mm 0.4 cm
Dec. 21 Patchy rain possible
Patchy rain possible
 4° /0° 1.2 mm 0 cm
Dec. 22 Heavy rain at times
Heavy rain at times
 5° /1° 10.2 mm 0 cm
Dec. 23 Moderate rain at times
Moderate rain at times
 4° /1° 15.2 mm 0 cm
Dec. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
 3° /2° 9.3 mm 0 cm
Dec. 25 Moderate rain at times
Moderate rain at times
 4° /1° 5.6 mm 0 cm
Dec. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
 3° /2° 25.3 mm 0 cm
Dec. 27 Moderate rain at times
Moderate rain at times
 3° /2° 5.5 mm 0 cm
Dec. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 3° /0° 15 mm 0 cm
Dec. 29 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Dec. 30 Sunny
Sunny
 -1° /-4° 0 mm 0 cm
Dec. 31 Partly cloudy
Partly cloudy
 -3° /-5° 0 mm 0 cm
Next
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 17 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 32.58 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 ❄️
On average, Glacier Bay National Park and Preserve sees 3 snowy days during December, with approximately 32.6 cm of total snowfall.

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 💧
Typically, Glacier Bay National Park and Preserve has 17 rainy days in December with a total of 259.8 mm of rainfall.

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Location coordinates Where is Glacier Bay National Park and Preserve?

Get accurate weather forecasts for Glacier Bay National Park and Preserve, located at latitude 58.501 and longitude -137.001. Stay updated with localized weather information tailored for Glacier Bay National Park and Preserve.

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