Iceland (CA)
December
Weather in Iceland, California for December 2025
Your guide to Iceland weather in December - trends and predictions
Iceland typically experiences moderate snowfall in December, with an average of 10 snowy days.
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.
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Snow Forecast ❄️
Temperatures
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18
Dry days
3
Rainy days
10
Snow days
6°/-3°
Temperatures
13 km/h
Avg max wind
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
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Date | Weather | Temperatures | Rain | Snow | More |
---|---|---|---|---|---|
Dec. 1 | Overcast | 11° /-2° | 0 mm | 0 cm | |
Dec. 2 | Sunny | 10° /-1° | 0 mm | 0 cm | |
Dec. 3 | Sunny | 10° /-2° | 0 mm | 0 cm | |
Dec. 4 | Sunny | 10° /-1° | 0 mm | 0 cm | |
Dec. 5 | Overcast | 11° /-1° | 0 mm | 0 cm | |
Dec. 6 | Sunny | 10° /-2° | 0 mm | 0 cm | |
Dec. 7 | Overcast | 10° /-1° | 0 mm | 0 cm | |
Dec. 8 | Partly cloudy | 9° /-2° | 0 mm | 0 cm | |
Dec. 9 | Overcast | 3° /-6° | 0 mm | 0 cm | |
Dec. 10 | Partly cloudy | 9° /-6° | 0 mm | 0 cm | |
Dec. 11 | Overcast | 11° /0° | 0 mm | 0 cm | |
Dec. 12 | Moderate or heavy snow showers | -1° /-3° | 25.4 mm | 17.8 cm | |
Dec. 13 | Moderate snow | 0° /-4° | 7.4 mm | 3.3 cm | |
Dec. 14 | Moderate or heavy snow showers | 0° /-3° | 96.2 mm | 69.2 cm | |
Dec. 15 | Partly cloudy | 2° /-12° | 0 mm | 0 cm | |
Dec. 16 | Moderate or heavy snow showers | 2° /-1° | 32.8 mm | 15.7 cm | |
Dec. 17 | Overcast | 5° /-4° | 0 mm | 0 cm | |
Dec. 18 | Overcast | 9° /-3° | 0 mm | 0 cm | |
Dec. 19 | Sunny | 11° /-2° | 0 mm | 0 cm | |
Dec. 20 | Overcast | 7° /0° | 0 mm | 0 cm | |
Dec. 21 | Moderate rain at times | 5° /1° | 3.3 mm | 0 cm | |
Dec. 22 | Moderate snow | 4° /0° | 14.9 mm | 4.8 cm | |
Dec. 23 | Overcast | 6° /1° | 0.9 mm | 0 cm | |
Dec. 24 | Moderate or heavy snow showers | 2° /-4° | 28 mm | 17.8 cm | |
Dec. 25 | Overcast | 3° /-7° | 0.3 mm | 0 cm | |
Dec. 26 | Moderate or heavy snow showers | 0° /-3° | 56 mm | 39.8 cm | |
Dec. 27 | Moderate or heavy rain shower | 2° /0° | 30.1 mm | 15.1 cm | |
Dec. 28 | Heavy rain at times | 4° /0° | 5.9 mm | 0.5 cm | |
Dec. 29 | Moderate or heavy snow showers | 2° /-3° | 75.6 mm | 43.9 cm | |
Dec. 30 | Cloudy | 2° /-9° | 0 mm | 0 cm | |
Dec. 31 | 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.
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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 💧
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