Reykjanesbær (Keflavík)
December
Weather in Reykjanesbær for December 2025
Your guide to Reykjanesbær weather in December - trends and predictions
Expect heavy snowfall in Reykjanesbær during December, with an average of 19 snowy days.
According to Reykjanesbær snow forecast for December 2025, no snow is expected until the end of the month.So far, December 2025 in Reykjanesbær is slightly warmer than the historical average by 1.4 °C.
The forecast for the next days in Reykjanesbær predicts a temperature of 4.6 °C, which is cooler than the historical average.
In general, the average temperature in Reykjanesbær at the beginning of December is 3.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 5.4 °C by the end of December.
Snow Forecast ❄️
Temperatures
3
Dry days
9
Rainy days
19
Snow days
3°/0°
Temperatures
48 km/h
Avg max wind
71 %
Avg humidity
Reykjanesbær Weather December
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Temperatures trend during December in Reykjanesbær
See the weather trend as well as the moving average line
December weather in Reykjanesbær day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Sunny | 2° /0° | 0.7 mm | 0 cm | |
| 2 Dec. |  Overcast | 4° /-1° | 5.9 mm | 0.5 cm | |
| 3 Dec. |  Moderate snow | 4° /1° | 3.3 mm | 0.5 cm | |
| 4 Dec. |  Heavy snow | 4° /1° | 11.9 mm | 5 cm | |
| 5 Dec. |  Cloudy | 5° /1° | 6.2 mm | 3.4 cm | |
| 6 Dec. | Sunny | 4° /1° | 0.3 mm | 0.2 cm | |
| 7 Dec. |  Partly cloudy | 4° /2° | 0 mm | 0 cm | |
| 8 Dec. | Sunny | 6° /2° | 4.6 mm | 0 cm | |
| 9 Dec. | Sunny | 6° /2° | 1.7 mm | 0 cm | |
| 10 Dec. | Cloudy | 5° /3° | 0.4 mm | 0 cm | |
| 11 Dec. |  Moderate or heavy snow showers | 6° /3° | 7.3 mm | 0.2 cm | |
| 12 Dec. | Heavy snow | 6° /2° | 6.7 mm | 0.1 cm | |
| 13 Dec. |  Light sleet showers | 5° /2° | 7.8 mm | 0.3 cm | |
| 14 Dec. |  Blizzard | 6° /1° | 6.3 mm | 1 cm | |
| 15 Dec. | Light sleet showers | 4° /2° | 5.2 mm | 0.4 cm | |
| 16 Dec. | Light sleet showers | 5° /2° | 3.9 mm | 0.8 cm | |
| 17 Dec. | Moderate or heavy snow showers | 5° /2° | 8.1 mm | 2 cm | |
| 18 Dec. | Moderate or heavy snow showers | 5° /1° | 2.3 mm | 0.3 cm | |
| 19 Dec. | Light sleet showers | 5° /1° | 8.3 mm | 0 cm | |
| 20 Dec. |  Light rain shower | 6° /2° | 3.9 mm | 0.4 cm | |
| 21 Dec. |  Light snow showers | 4° /1° | 0.6 mm | 0.2 cm | |
| 22 Dec. | Moderate or heavy snow showers | 3° /0° | 5.8 mm | 1.1 cm | |
| 23 Dec. |  Light snow | 5° /0° | 7.9 mm | 0 cm | |
| 24 Dec. | Patchy light snow | 5° /1° | 5.3 mm | 0 cm | |
| 25 Dec. | Cloudy | 4° /1° | 4.9 mm | 0 cm | |
| 26 Dec. | Moderate or heavy snow showers | 5° /1° | 8.6 mm | 1.5 cm | |
| 27 Dec. | Heavy snow | 4° /1° | 7.2 mm | 2.4 cm | |
| 28 Dec. | Light snow | 4° /1° | 1.7 mm | 0.1 cm | |
| 29 Dec. | Patchy rain possible | 7° /6° | 0.8 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 7° /6° | 0.2 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 7° /3° | 0.2 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Reykjanesbær 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 Reykjanesbær forecast closer to your planned date for the most up-to-date weather information.
Change Month
Reykjanesbær in December - FAQ
What are the expected maximum and minimum temperatures in Reykjanesbær during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Reykjanesbær during December?
Significant rainfall exceeding 167.3 mm is expected in Reykjanesbær during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Reykjanesbær in December 2025?
Reykjanesbær experiences an average snowfall of 30.25 cm during December, occurring over 19 days.
What are the typical wind conditions in Reykjanesbær during December?
The average wind speed in Reykjanesbær during December is 48 km/h, suggesting breezy to windy conditions, depending on your activities.
Reykjanesbær snow forecast December 2025
Track daily snowfall levels and discover Reykjanesbær’s snowy potential this December ❄️
On average, Reykjanesbær sees 19 snowy days during December, with approximately 30.3 cm of total snowfall.
December rainfall patterns in Reykjanesbær
Explore the daily rainfall trends and prepare for Reykjanesbærs December weather 💧
Typically, Reykjanesbær has 9 rainy days in December with a total of 167.3 mm of rainfall.
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