Grundarfjörður
December
Weather in Grundarfjörður for December 2025
Your guide to Grundarfjörður weather in December - trends and predictions
Expect heavy snowfall in Grundarfjörður during December, with an average of 16 snowy days.
According to Grundarfjörður snow forecast for December 2025, 9 snowy days are expected until the end of the month. The closest date with snow is Monday, 15 December.Until now, December 2025 in Grundarfjörður has been nearly identical to the historical average, with a temperature of 2.2 °C (showing only a slight deviation of 0.1 °C).
The forecast for the next days in Grundarfjörður predicts temperatures to be around 3 °C, close to the historical average.
In general, the average temperature in Grundarfjörður at the beginning of December is 0.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.1 °C by the end of December.
Snow Forecast ❄️
Temperatures
10
Dry days
5
Rainy days
16
Snow days
1°/-3°
Temperatures
37 km/h
Avg max wind
81 %
Avg humidity
Grundarfjörður Weather December
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Temperatures trend during December in Grundarfjörður
See the weather trend as well as the moving average line
December weather in Grundarfjörður day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light freezing rain | 0° /-4° | 0.3 mm | 0 cm | |
| 2 Dec. | Light freezing rain | 1° /-4° | 1.4 mm | 0.5 cm | |
| 3 Dec. |  Moderate snow | 1° /-2° | 3.2 mm | 1.1 cm | |
| 4 Dec. |  Overcast | 0° /-3° | 0.2 mm | 0 cm | |
| 5 Dec. |  Patchy moderate snow | 2° /0° | 6.9 mm | 3 cm | |
| 6 Dec. | Overcast | 0° /-3° | 0.2 mm | 0 cm | |
| 7 Dec. | Overcast | 1° /-2° | 0 mm | 0 cm | |
| 8 Dec. |  Moderate or heavy rain shower | 5° /-1° | 14.5 mm | 0.6 cm | |
| 9 Dec. | Moderate rain at times | 5° /1° | 1.1 mm | 0.3 cm | |
| 10 Dec. | Overcast | 3° /0° | 0 mm | 0 cm | |
| 11 Dec. | Moderate or heavy rain shower | 4° /0° | 7.9 mm | 0 cm | |
| 12 Dec. | Moderate rain at times | 4° /0° | 4.3 mm | 0 cm | |
| 13 Dec. | Overcast | 2° /-1° | 0 mm | 0 cm | |
| 14 Dec. | Light freezing rain | 3° /-1° | 7.2 mm | 3.2 cm | |
| 15 Dec. | Light freezing rain | 1° /-1° | 0.7 mm | 0.5 cm | |
| 16 Dec. |  Sunny | -1° /-3° | 0 mm | 0 cm | |
| 17 Dec. |  Blizzard | 3° /-2° | 5.9 mm | 1.2 cm | |
| 18 Dec. |  Moderate rain | 2° /-1° | 6.4 mm | 3.1 cm | |
| 19 Dec. |  Cloudy | 2° /-2° | 0 mm | 0 cm | |
| 20 Dec. |  Moderate or heavy snow showers | 0° /-3° | 2.4 mm | 1.6 cm | |
| 21 Dec. |  Partly cloudy | 3° /-2° | 0 mm | 0 cm | |
| 22 Dec. |  Patchy rain possible | 5° /4° | 2.2 mm | 0 cm | |
| 23 Dec. | Patchy rain possible | 3° /1° | 1.3 mm | 0.9 cm | |
| 24 Dec. | Patchy rain possible | 7° /5° | 1 mm | 0 cm | |
| 25 Dec. | Moderate rain | 1° /-1° | 12.2 mm | 6.4 cm | |
| 26 Dec. | Patchy rain possible | 4° /1° | 3.4 mm | 1.8 cm | |
| 27 Dec. | Moderate rain | 6° /3° | 7.7 mm | 0 cm | |
| 28 Dec. | Patchy rain possible | 2° /1° | 0.6 mm | 0 cm | |
| 29 Dec. | Light freezing rain | -3° /-6° | 0.7 mm | 0 cm | |
| 30 Dec. | Overcast | -5° /-7° | 2.7 mm | 1.5 cm | |
| 31 Dec. |  Heavy snow | -6° /-8° | 1.1 mm | 0.7 cm | |
| Next | |||||
Important Notice
Our weather forecast for Grundarfjörður 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 Grundarfjörður forecast closer to your planned date for the most up-to-date weather information.
Change Month
Grundarfjörður in December - FAQ
What are the expected maximum and minimum temperatures in Grundarfjörður 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 Grundarfjörður during December?
Significant rainfall exceeding 140.5 mm is expected in Grundarfjörður during December, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Grundarfjörður in December 2025?
Grundarfjörður experiences an average snowfall of 35.81 cm during December, occurring over 16 days.
What are the typical wind conditions in Grundarfjörður during December?
The average wind speed in Grundarfjörður during December is 37 km/h, suggesting breezy to windy conditions, depending on your activities.
Grundarfjörður snow forecast December 2025
Track daily snowfall levels and discover Grundarfjörður’s snowy potential this December ❄️
On average, Grundarfjörður sees 16 snowy days during December, with approximately 35.8 cm of total snowfall.
December rainfall patterns in Grundarfjörður
Explore the daily rainfall trends and prepare for Grundarfjörðurs December weather 💧
Typically, Grundarfjörður has 5 rainy days in December with a total of 140.5 mm of rainfall.
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