Reykjavíkurborg (Reykjavík)
December
Weather in Reykjavíkurborg for December 2025
Your guide to Reykjavíkurborg weather in December - trends and predictions
Expect heavy snowfall in Reykjavíkurborg during December, with an average of 20 snowy days.
In general, the average temperature in Reykjavíkurborg at the beginning of December is 1.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -1.1 °C by the end of December.
Snow Forecast ❄️
Temperatures
7
Dry days
4
Rainy days
20
Snow days
1°/-3°
Temperatures
27 km/h
Avg max wind
75 %
Avg humidity
Reykjavíkurborg in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  0° | 2  3° | 3  2° | 4  1° | 5  3° | 6  1° | 7  -0° |
| 8 2° | 9  3° | 10 1° | 11  3° | 12 3° | 13 2° | 14 2° |
| 15 2° | 16  2° | 17  2° | 18 2° | 19 2° | 20 3° | 21 2° |
| 22 -1° | 23 -1° | 24 1° | 25 0° | 26 -0° | 27 -0° | 28  -1° |
| 29 -3° | 30 -3° | 31 -1° |
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Temperatures trend during December in Reykjavíkurborg
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Sunny | 0° /-3° | 4.5 mm | 1.2 cm | |
| 2 Dec. | Heavy rain at times | 3° /-3° | 10.8 mm | 1.6 cm | |
| 3 Dec. | Patchy moderate snow | 2° /-2° | 5 mm | 2.9 cm | |
| 4 Dec. | Heavy snow | 1° /-2° | 3.3 mm | 2.4 cm | |
| 5 Dec. | Moderate or heavy rain shower | 3° /-2° | 7.3 mm | 1.6 cm | |
| 6 Dec. | Light freezing rain | 1° /-2° | 1.1 mm | 0 cm | |
| 7 Dec. | Overcast | 0° /-4° | 0 mm | 0 cm | |
| 8 Dec. | Sunny | 2° /-2° | 4.6 mm | 0 cm | |
| 9 Dec. | Moderate snow | 3° /-1° | 6.4 mm | 0.9 cm | |
| 10 Dec. | Sunny | 1° /-2° | 0.4 mm | 0.1 cm | |
| 11 Dec. | Patchy rain possible | 3° /-1° | 4 mm | 0.3 cm | |
| 12 Dec. | Patchy rain possible | 3° /0° | 4.1 mm | 0.1 cm | |
| 13 Dec. | Patchy rain possible | 2° /-1° | 7.1 mm | 0.5 cm | |
| 14 Dec. | Patchy rain possible | 2° /-2° | 5.6 mm | 0.3 cm | |
| 15 Dec. | Patchy rain possible | 2° /-1° | 4.5 mm | 0.6 cm | |
| 16 Dec. | Moderate or heavy snow showers | 2° /-1° | 6.4 mm | 1.8 cm | |
| 17 Dec. | Partly cloudy | 2° /-1° | 6.1 mm | 2.5 cm | |
| 18 Dec. | Overcast | 2° /-3° | 1 mm | 0.6 cm | |
| 19 Dec. | Overcast | 2° /-2° | 3.1 mm | 0.7 cm | |
| 20 Dec. | Overcast | 3° /-2° | 1.3 mm | 0.2 cm | |
| 21 Dec. | Light freezing rain | 2° /-3° | 0.5 mm | 0.1 cm | |
| 22 Dec. | Partly cloudy | -1° /-6° | 0.5 mm | 0.3 cm | |
| 23 Dec. | Overcast | -1° /-5° | 4.1 mm | 0.4 cm | |
| 24 Dec. | Moderate or heavy rain shower | 1° /-4° | 7.6 mm | 1.2 cm | |
| 25 Dec. | Partly cloudy | 0° /-4° | 4 mm | 0 cm | |
| 26 Dec. | Light freezing rain | 0° /-5° | 7.2 mm | 2.9 cm | |
| 27 Dec. | Overcast | 0° /-4° | 4.2 mm | 1.9 cm | |
| 28 Dec. | Cloudy | -1° /-6° | 0.8 mm | 0 cm | |
| 29 Dec. | Sunny | -3° /-8° | 1.4 mm | 0.7 cm | |
| 30 Dec. | Partly cloudy | -3° /-7° | 2.5 mm | 1.8 cm | |
| 31 Dec. | Overcast | -1° /-6° | 1.9 mm | 0.8 cm | |
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Important Notice
Our weather forecast for Reykjavíkurborg 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 Reykjavíkurborg forecast closer to your planned date for the most up-to-date weather information.
Reykjavíkurborg in December - FAQ
What are the expected maximum and minimum temperatures in Reykjavíkurborg 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 Reykjavíkurborg during December?
Significant rainfall exceeding 107.8 mm is expected in Reykjavíkurborg during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Reykjavíkurborg in December 2025?
Reykjavíkurborg experiences an average snowfall of 25.173 cm during December, occurring over 20 days.
What are the typical wind conditions in Reykjavíkurborg during December?
The average wind speed in Reykjavíkurborg during December is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
Reykjavíkurborg snow forecast December 2025
Track daily snowfall levels and discover Reykjavíkurborg’s snowy potential this December ❄️
December rainfall patterns in Reykjavíkurborg
Explore the daily rainfall trends and prepare for Reykjavíkurborgs December weather 💧
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