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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.

  • Temperatures

  • In general, the average temperature in Iceland at the beginning of December is 10.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2 °F by the end of December.

  • More

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Average dry days
18
Dry days
Average rainy days
3
Rainy days
Average snowy days
10
Snow days
Average temperatures
6°/-3°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Iceland Weather December

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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
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
11° /-2° 0 mm 0 cm
Dec. 2 Sunny
Sunny
10° /-1° 0 mm 0 cm
Dec. 3 Sunny
Sunny
10° /-2° 0 mm 0 cm
Dec. 4 Sunny
Sunny
10° /-1° 0 mm 0 cm
Dec. 5 Overcast
Overcast
11° /-1° 0 mm 0 cm
Dec. 6 Sunny
Sunny
10° /-2° 0 mm 0 cm
Dec. 7 Overcast
Overcast
10° /-1° 0 mm 0 cm
Dec. 8 Partly cloudy
Partly cloudy
9° /-2° 0 mm 0 cm
Dec. 9 Overcast
Overcast
3° /-6° 0 mm 0 cm
Dec. 10 Partly cloudy
Partly cloudy
9° /-6° 0 mm 0 cm
Dec. 11 Overcast
Overcast
11° /0° 0 mm 0 cm
Dec. 12 Moderate or heavy snow showers
Moderate or heavy snow showers
-1° /-3° 25.4 mm 17.8 cm
Dec. 13 Moderate snow
Moderate snow
0° /-4° 7.4 mm 3.3 cm
Dec. 14 Moderate or heavy snow showers
Moderate or heavy snow showers
0° /-3° 96.2 mm 69.2 cm
Dec. 15 Partly cloudy
Partly cloudy
2° /-12° 0 mm 0 cm
Dec. 16 Moderate or heavy snow showers
Moderate or heavy snow showers
2° /-1° 32.8 mm 15.7 cm
Dec. 17 Overcast
Overcast
5° /-4° 0 mm 0 cm
Dec. 18 Overcast
Overcast
9° /-3° 0 mm 0 cm
Dec. 19 Sunny
Sunny
11° /-2° 0 mm 0 cm
Dec. 20 Overcast
Overcast
7° /0° 0 mm 0 cm
Dec. 21 Moderate rain at times
Moderate rain at times
5° /1° 3.3 mm 0 cm
Dec. 22 Moderate snow
Moderate snow
4° /0° 14.9 mm 4.8 cm
Dec. 23 Overcast
Overcast
6° /1° 0.9 mm 0 cm
Dec. 24 Moderate or heavy snow showers
Moderate or heavy snow showers
2° /-4° 28 mm 17.8 cm
Dec. 25 Overcast
Overcast
3° /-7° 0.3 mm 0 cm
Dec. 26 Moderate or heavy snow showers
Moderate or heavy snow showers
0° /-3° 56 mm 39.8 cm
Dec. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
2° /0° 30.1 mm 15.1 cm
Dec. 28 Heavy rain at times
Heavy rain at times
4° /0° 5.9 mm 0.5 cm
Dec. 29 Moderate or heavy snow showers
Moderate or heavy snow showers
2° /-3° 75.6 mm 43.9 cm
Dec. 30 Cloudy
Cloudy
2° /-9° 0 mm 0 cm
Dec. 31 Mist
Mist
1° /-14° 0 mm 0 cm
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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.

Iceland in December - FAQ

What are the expected maximum and minimum temperatures in Iceland during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below -3°.
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 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Iceland in December 2025?
Iceland experiences an average snowfall of 228 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 ❄️

December rainfall patterns in Iceland

Explore the daily rainfall trends and prepare for Icelands December weather 💧

Quick links

More Iceland weather pages
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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