Kópavogur
December
Weather in Kópavogur for December 2025
Your guide to Kópavogur weather in December - trends and predictions
Kópavogur is transformed into a snow paradise in December, with more than 20 snowy days on average.
In general, the average temperature in Kópavogur at the beginning of December is 0.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -2.4 °C by the end of December.
Snow Forecast ❄️
Temperatures
7
Dry days
3
Rainy days
21
Snow days
0°/-3°
Temperatures
31 km/h
Avg max wind
75 %
Avg humidity
Kópavogur in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  -2° | 2  1° | 3  1° | 4  1° | 5  2° | 6 0° | 7 -1° |
| 8 3° | 9 4° | 10 2° | 11  3° | 12 3° | 13  3° | 14  4° |
| 15  3° | 16 2° | 17  2° | 18 1° | 19 2° | 20  4° | 21 1° |
| 22 -2° | 23  -1° | 24 -2° | 25  -2° | 26 -0° | 27 -1° | 28 -2° |
| 29 -4° | 30 -5° | 31 -3° |
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Temperatures trend during December in Kópavogur
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 | -2° /-5° | 0 mm | 0 cm | |
| 2 Dec. | Overcast | 1° /-6° | 11.1 mm | 0 cm | |
| 3 Dec. | Moderate snow | 1° /-1° | 8.8 mm | 5.4 cm | |
| 4 Dec. | Heavy snow | 1° /-1° | 6.7 mm | 4.7 cm | |
| 5 Dec. | Partly cloudy | 2° /-1° | 4.6 mm | 3.1 cm | |
| 6 Dec. | Sunny | 0° /-4° | 0 mm | 0 cm | |
| 7 Dec. | Overcast | -1° /-4° | 0 mm | 0 cm | |
| 8 Dec. | Sunny | 3° /-2° | 7.9 mm | 0 cm | |
| 9 Dec. | Sunny | 4° /0° | 7.1 mm | 0 cm | |
| 10 Dec. | Sunny | 2° /0° | 0.6 mm | 0.1 cm | |
| 11 Dec. | Light snow showers | 3° /0° | 4.3 mm | 0.7 cm | |
| 12 Dec. | Moderate snow | 3° /-1° | 5.1 mm | 0.2 cm | |
| 13 Dec. | Light sleet | 3° /-1° | 14.9 mm | 1.3 cm | |
| 14 Dec. | Blizzard | 4° /-1° | 7 mm | 0.7 cm | |
| 15 Dec. | Moderate or heavy snow showers | 3° /1° | 10 mm | 1.4 cm | |
| 16 Dec. | Moderate or heavy snow showers | 2° /0° | 6.9 mm | 3.2 cm | |
| 17 Dec. | Moderate or heavy snow with thunder | 2° /0° | 7.7 mm | 3.7 cm | |
| 18 Dec. | Moderate or heavy snow showers | 1° /-2° | 1.9 mm | 1.6 cm | |
| 19 Dec. | Blizzard | 2° /-2° | 7.7 mm | 1.8 cm | |
| 20 Dec. | Light rain shower | 4° /-1° | 3.4 mm | 0.5 cm | |
| 21 Dec. | Light snow showers | 1° /-3° | 0.9 mm | 0.4 cm | |
| 22 Dec. | Sunny | -2° /-7° | 0.7 mm | 0.4 cm | |
| 23 Dec. | Cloudy | -1° /-7° | 6.9 mm | 0.7 cm | |
| 24 Dec. | Patchy moderate snow | -2° /-6° | 4.5 mm | 1.8 cm | |
| 25 Dec. | Light freezing rain | -2° /-6° | 3.5 mm | 0 cm | |
| 26 Dec. | Overcast | 0° /-6° | 11.5 mm | 4.8 cm | |
| 27 Dec. | Light freezing rain | -1° /-4° | 7 mm | 3.1 cm | |
| 28 Dec. | Overcast | -2° /-7° | 1.3 mm | 0 cm | |
| 29 Dec. | Sunny | -4° /-10° | 1.8 mm | 1 cm | |
| 30 Dec. | Cloudy | -5° /-8° | 4.2 mm | 3 cm | |
| 31 Dec. | Patchy moderate snow | -3° /-7° | 3 mm | 1.3 cm | |
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Important Notice
Our weather forecast for Kópavogur 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 Kópavogur forecast closer to your planned date for the most up-to-date weather information.
Kópavogur in December - FAQ
What are the expected maximum and minimum temperatures in Kópavogur during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Kópavogur during December?
Significant rainfall exceeding 158.6 mm is expected in Kópavogur during December, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Kópavogur in December 2025?
Kópavogur experiences an average snowfall of 48.345 cm during December, occurring over 21 days.
What are the typical wind conditions in Kópavogur during December?
The average wind speed in Kópavogur during December is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
Kópavogur snow forecast December 2025
Track daily snowfall levels and discover Kópavogur’s snowy potential this December ❄️
December rainfall patterns in Kópavogur
Explore the daily rainfall trends and prepare for Kópavogurs December weather 💧
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