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Weather in Iceland, California for December 2025

Your guide to Iceland weather in December - trends and predictions

    Snow Forecast ❄️

  • Iceland typically experiences moderate snowfall in December, with an average of 10 snowy days.
    According to Iceland snow forecast for December 2025, 10 snowy days are expected until the end of the month. The closest date with snow is Friday, December 19.

    • Temperatures

  • So far, December 2025 in Iceland is slightly warmer than the historical average by 1 °F.

  • The forecast for the next days in Iceland predicts a temperature of 2 °F, which is cooler than the historical average.

  • In general, the average temperature in Iceland at the beginning of December is 8.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 0.3 °F by the end of December.

    • More

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

Average dry days
20
Dry days
Average rainy days
1
Rainy days
Average snowy days
10
Snow days
Average temperatures
5°/-3°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Iceland Weather December

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

Temperatures trend during December in Iceland

See the weather trend as well as the moving average line

December weather in Iceland day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 9° /-3° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 10° /-1° 0 mm 0 cm
Dec. 3 Sunny
Sunny
 6° /-3° 0 mm 0 cm
Dec. 4 Sunny
Sunny
 8° /-3° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 10° /0° 0 mm 0 cm
Dec. 6 Sunny
Sunny
 9° /-1° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 10° /0° 0 mm 0 cm
Dec. 8 Partly cloudy
Partly cloudy
 9° /1° 0 mm 0 cm
Dec. 9 Overcast
Overcast
 8° /-1° 0 mm 0 cm
Dec. 10 Partly cloudy
Partly cloudy
 11° /0° 0 mm 0 cm
Dec. 11 Overcast
Overcast
 13° /2° 0 mm 0 cm
Dec. 12 Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /0° 12.7 mm 8.9 cm
Dec. 13 Moderate snow
Moderate snow
 6° /0° 3.7 mm 1.7 cm
Dec. 14 Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /1° 48.1 mm 34.6 cm
Dec. 15 Partly cloudy
Partly cloudy
 7° /-3° 0 mm 0 cm
Dec. 16 Moderate or heavy snow showers
Moderate or heavy snow showers
 6° /1° 16.4 mm 7.9 cm
Dec. 17 Overcast
Overcast
 6° /-2° 18.4 mm 0 cm
Dec. 18 Overcast
Overcast
 5° /2° 0 mm 0 cm
Dec. 19 Heavy rain
Heavy rain
 4° /1° 49.4 mm 12.5 cm
Dec. 20 Heavy rain
Heavy rain
 4° /1° 30.3 mm 0 cm
Dec. 21 Heavy rain
Heavy rain
 3° /1° 45.7 mm 3.2 cm
Dec. 22 Patchy rain possible
Patchy rain possible
 5° /0° 4.7 mm 3.3 cm
Dec. 23 Moderate rain
Moderate rain
 3° /0° 11.5 mm 7.5 cm
Dec. 24 Heavy snow
Heavy snow
 2° /-1° 41.1 mm 26.4 cm
Dec. 25 Light snow showers
Light snow showers
 -1° /-11° 6.6 mm 4.8 cm
Dec. 26 Heavy snow
Heavy snow
 -1° /-12° 2.1 mm 1.5 cm
Dec. 27 Freezing fog
Freezing fog
 0° /-12° 0.2 mm 0.1 cm
Dec. 28 Freezing fog
Freezing fog
 -1° /-10° 0 mm 0 cm
Dec. 29 Light snow
Light snow
 1° /-9° 1.1 mm 0.8 cm
Dec. 30 Moderate snow
Moderate snow
 1° /-10° 0.4 mm 0.3 cm
Dec. 31 Fog
Fog
 3° /-2° 0.1 mm 0 cm
Next
Important Notice
Our weather forecast for Iceland 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 Iceland forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Iceland in December - FAQ

What are the expected maximum and minimum temperatures in Iceland 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 Iceland during December?
Significant rainfall exceeding 376.7 mm is expected in Iceland during December, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Iceland in December 2025?
Iceland experiences an average snowfall of 227.96 cm during December, occurring over 10 days.
What are the typical wind conditions in Iceland during December?
The average wind speed in Iceland during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Iceland snow forecast December 2025

Track daily snowfall levels and discover Iceland’s snowy potential this December ❄️
On average, Iceland sees 10 snowy days during December, with approximately 228 cm of total snowfall.

December rainfall patterns in Iceland

Explore the daily rainfall trends and prepare for Icelands December weather 💧
Typically, Iceland has 1 rainy days in December with a total of 376.7 mm of rainfall.

Quick links

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Location coordinates Where is Iceland?

Get accurate weather forecasts for Iceland, located at latitude 39.375 and longitude -120.026. Stay updated with localized weather information tailored for Iceland.

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