Reykjavík
December
Weather in Reykjavík for December 2025
Your guide to Reykjavík weather in December - trends and predictions
Reykjavík is transformed into a snow paradise in December, with more than 20 snowy days on average.
According to Reykjavík snow forecast for December 2025, 2 snowy days are expected until the end of the month. The closest date with snow is Wednesday, 17 December.So far, December 2025 in Reykjavík is slightly warmer than the historical average by 1.1 °C.
The forecast for the upcoming days in Reykjavík predicts a temperature of 4.4 °C, which is slightly above the historical average.
In general, the average temperature in Reykjavík at the beginning of December is 1.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 5 °C by the end of December.
Snow Forecast ❄️
Temperatures
3
Dry days
4
Rainy days
24
Snow days
1°/-3°
Temperatures
29 km/h
Avg max wind
75 %
Avg humidity
Reykjavík Weather December
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Temperatures trend during December in Reykjavík
See the weather trend as well as the moving average line
December weather in Reykjavík day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Sunny | 1° /-3° | 3.9 mm | 0.9 cm | |
| 2 Dec. |  Overcast | 3° /-2° | 8.7 mm | 1.3 cm | |
| 3 Dec. |  Patchy moderate snow | 2° /-2° | 4 mm | 2.3 cm | |
| 4 Dec. |  Heavy snow | 1° /-2° | 2.7 mm | 1.9 cm | |
| 5 Dec. |  Moderate or heavy rain shower | 3° /-2° | 6.6 mm | 1.2 cm | |
| 6 Dec. | Sunny | 2° /-2° | 0.9 mm | 0 cm | |
| 7 Dec. | Overcast | 1° /-3° | 0 mm | 0 cm | |
| 8 Dec. | Sunny | 2° /-1° | 3.8 mm | 0 cm | |
| 9 Dec. |  Moderate snow | 3° /0° | 5.3 mm | 0.7 cm | |
| 10 Dec. | Sunny | 1° /-2° | 0.3 mm | 0 cm | |
| 11 Dec. |  Light rain | 4° /0° | 4.3 mm | 0.2 cm | |
| 12 Dec. |  Patchy rain possible | 3° /0° | 5.1 mm | 0.1 cm | |
| 13 Dec. | Patchy rain possible | 3° /-1° | 6.6 mm | 0.7 cm | |
| 14 Dec. | Patchy rain possible | 3° /-1° | 5.5 mm | 0.5 cm | |
| 15 Dec. | Patchy rain possible | 2° /-1° | 3.8 mm | 0.5 cm | |
| 16 Dec. |  Moderate or heavy snow showers | 2° /-1° | 6.4 mm | 1.8 cm | |
| 17 Dec. |  Moderate rain | 3° /1° | 5.8 mm | 3.9 cm | |
| 18 Dec. | Patchy rain possible | 3° /1° | 2.8 mm | 0.9 cm | |
| 19 Dec. | Sunny | 1° /0° | 0 mm | 0 cm | |
| 20 Dec. | Sunny | 2° /1° | 0 mm | 0 cm | |
| 21 Dec. |  Partly cloudy | 3° /1° | 0 mm | 0 cm | |
| 22 Dec. | Partly cloudy | 5° /4° | 0 mm | 0 cm | |
| 23 Dec. | Partly cloudy | 4° /3° | 0 mm | 0 cm | |
| 24 Dec. | Partly cloudy | 5° /3° | 0 mm | 0 cm | |
| 25 Dec. | Patchy rain possible | 7° /2° | 1.6 mm | 0 cm | |
| 26 Dec. | Moderate rain | 7° /6° | 8.1 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 5° /5° | 0.2 mm | 0 cm | |
| 28 Dec. | Partly cloudy | 4° /3° | 0.1 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 7° /5° | 1.3 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 6° /4° | 1.9 mm | 0 cm | |
| 31 Dec. | Overcast | -1° /-6° | 1.9 mm | 0.8 cm | |
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Important Notice
Our weather forecast for Reykjavík 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 Reykjavík forecast closer to your planned date for the most up-to-date weather information.
Change Month
Reykjavík in December - FAQ
What are the expected maximum and minimum temperatures in Reykjavík during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Reykjavík during December?
Significant rainfall exceeding 121.4 mm is expected in Reykjavík during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Reykjavík in December 2025?
Reykjavík experiences an average snowfall of 28.197 cm during December, occurring over 24 days.
What are the typical wind conditions in Reykjavík during December?
The average wind speed in Reykjavík during December is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
Reykjavík snow forecast December 2025
Track daily snowfall levels and discover Reykjavík’s snowy potential this December ❄️
On average, Reykjavík sees 24 snowy days during December, with approximately 28.2 cm of total snowfall.
December rainfall patterns in Reykjavík
Explore the daily rainfall trends and prepare for Reykjavíks December weather 💧
Typically, Reykjavík has 4 rainy days in December with a total of 121.4 mm of rainfall.
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