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United States weather

Weather in Seward, Alaska for December 2025

Your guide to Seward weather in December - trends and predictions

    Snow Forecast ❄️

  • Seward is transformed into a snow paradise in December, with more than 20 snowy days on average.
    According to Seward snow forecast for December 2025, 4 snowy days are expected until the end of the month. The closest date with snow is Tuesday, December 23.

    • Temperatures

  • Until now, December 2025 in Seward is cooler than usual, with temperatures averaging -6.3 °F, this is -3.7 °F below the typical seasonal average.

  • An exceptional deviation from the historical average is forecasted for next days of December 2025 in Seward with the forecasted temperature being -14.4 °F, much lower than usual.

  • In general, the average temperature in Seward at the beginning of December is 1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -13.4 °F by the end of December.

    • More

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

Average dry days
5
Dry days
Average rainy days
3
Rainy days
Average snowy days
23
Snow days
Average temperatures
0°/-3°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
92 %
Avg humidity

Seward Weather December

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

Temperatures trend during December in Seward

See the weather trend as well as the moving average line

December weather in Seward day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Moderate snow
Moderate snow
 1° /-4° 6.5 mm 3.9 cm
Dec. 2 Light freezing rain
Light freezing rain
 2° /0° 14.1 mm 2.6 cm
Dec. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 3° /1° 25.2 mm 1.8 cm
Dec. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 3° /-1° 25.9 mm 3.8 cm
Dec. 5 Heavy rain at times
Heavy rain at times
 1° /-3° 6.5 mm 2.8 cm
Dec. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 0° /-3° 21.5 mm 7.9 cm
Dec. 7 Light freezing rain
Light freezing rain
 -3° /-5° 3.7 mm 2.1 cm
Dec. 8 Moderate or heavy snow showers
Moderate or heavy snow showers
 -3° /-8° 16.5 mm 6.1 cm
Dec. 9 Moderate or heavy snow showers
Moderate or heavy snow showers
 -4° /-8° 32.1 mm 11.9 cm
Dec. 10 Patchy rain possible
Patchy rain possible
 -5° /-8° 14 mm 1 cm
Dec. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 -6° /-9° 17.4 mm 0 cm
Dec. 12 Moderate or heavy snow showers
Moderate or heavy snow showers
 -4° /-8° 12 mm 3.2 cm
Dec. 13 Light freezing rain
Light freezing rain
 -7° /-14° 1.2 mm 0.6 cm
Dec. 14 Partly cloudy
Partly cloudy
 -11° /-14° 0 mm 0 cm
Dec. 15 Patchy moderate snow
Patchy moderate snow
 -6° /-14° 4.4 mm 3 cm
Dec. 16 Moderate snow
Moderate snow
 -6° /-12° 3 mm 1.6 cm
Dec. 17 Sunny
Sunny
 -14° /-20° 0 mm 0 cm
Dec. 18 Sunny
Sunny
 -15° /-20° 0 mm 0 cm
Dec. 19 Sunny
Sunny
 -14° /-19° 0 mm 0 cm
Dec. 20 Sunny
Sunny
 -16° /-22° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 -18° /-22° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 -12° /-20° 0 mm 0 cm
Dec. 23 Light snow
Light snow
 -11° /-17° 1.2 mm 0.9 cm
Dec. 24 Light freezing rain
Light freezing rain
 -13° /-16° 0.2 mm 0.1 cm
Dec. 25 Light freezing rain
Light freezing rain
 -15° /-19° 0.4 mm 0.1 cm
Dec. 26 Partly cloudy
Partly cloudy
 -18° /-20° 0 mm 0 cm
Dec. 27 Sunny
Sunny
 -14° /-19° 0 mm 0 cm
Dec. 28 Partly cloudy
Partly cloudy
 -18° /-20° 0 mm 0 cm
Dec. 29 Sunny
Sunny
 -15° /-20° 0 mm 0 cm
Dec. 30 Partly cloudy
Partly cloudy
 -9° /-16° 0 mm 0 cm
Dec. 31 Partly cloudy
Partly cloudy
 -5° /-8° 0.2 mm 0.1 cm
Next
Important Notice
Our weather forecast for Seward 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 Seward forecast closer to your planned date for the most up-to-date weather information.
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Seward in December - FAQ

What are the expected maximum and minimum temperatures in Seward during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Seward during December?
Significant rainfall exceeding 526.6 mm is expected in Seward during December, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Seward in December 2025?
Seward experiences an average snowfall of 159.23 cm during December, occurring over 23 days.
What are the typical wind conditions in Seward during December?
The average wind speed in Seward during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Seward snow forecast December 2025

Track daily snowfall levels and discover Seward’s snowy potential this December ❄️
On average, Seward sees 23 snowy days during December, with approximately 159.2 cm of total snowfall.

December rainfall patterns in Seward

Explore the daily rainfall trends and prepare for Sewards December weather 💧
Typically, Seward has 3 rainy days in December with a total of 526.6 mm of rainfall.

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Location coordinates Where is Seward?

Get accurate weather forecasts for Seward, located at latitude 60.104 and longitude -149.444. Stay updated with localized weather information tailored for Seward.

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