Southern Peninsula (Keflavík)
December
Weather in Southern Peninsula for December 2026
Your guide to Southern Peninsula weather in December - trends and predictions
Southern Peninsula typically experiences moderate snowfall in December, with an average of 8 snowy days.
In general, the average temperature in Southern Peninsula at the beginning of December is 3.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 3.5 °C by the end of December.
Is December a good time to visit Southern Peninsula? check out the best time to travel to Southern Peninsula page.
Snow Forecast ❄️
Temperatures
More
11
Dry days
12
Rainy days
8
Snow days
4°/1°
Temperatures
48 km/h
Avg max wind
73 %
Avg humidity
Southern Peninsula Weather December
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Temperatures trend during December in Southern Peninsula
See the weather trend as well as the moving average line
December weather in Southern Peninsula 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. |  Light rain | 4° /0° | 5.9 mm | 0.5 cm | |
| 3 Dec. |  Light snow | 4° /1° | 3.3 mm | 0.5 cm | |
| 4 Dec. |  Moderate snow | 4° /1° | 11.9 mm | 5 cm | |
| 5 Dec. | Light snow | 5° /2° | 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. | Light rain | 5° /3° | 4.6 mm | 0 cm | |
| 9 Dec. |  Patchy rain possible | 6° /2° | 1.7 mm | 0 cm | |
| 10 Dec. |  Cloudy | 5° /3° | 0.4 mm | 0 cm | |
| 11 Dec. | Light rain | 5° /3° | 7.3 mm | 0.2 cm | |
| 12 Dec. | Light rain | 6° /2° | 6.7 mm | 0.1 cm | |
| 13 Dec. |  Light sleet showers | 5° /2° | 7.8 mm | 0.3 cm | |
| 14 Dec. | Light snow | 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 | 4° /3° | 3.9 mm | 0.8 cm | |
| 17 Dec. | Light snow | 4° /2° | 8.1 mm | 2 cm | |
| 18 Dec. | Patchy rain possible | 4° /1° | 2.3 mm | 0.3 cm | |
| 19 Dec. | Light sleet showers | 4° /1° | 8.3 mm | 0 cm | |
| 20 Dec. | Light rain | 6° /2° | 3.9 mm | 0.4 cm | |
| 21 Dec. | Patchy rain possible | 4° /1° | 0.6 mm | 0.2 cm | |
| 22 Dec. | Light snow | 3° /0° | 5.8 mm | 1.1 cm | |
| 23 Dec. | Light rain | 5° /0° | 7.9 mm | 0 cm | |
| 24 Dec. | Light rain | 4° /1° | 5.3 mm | 0 cm | |
| 25 Dec. | Light rain | 4° /1° | 4.9 mm | 0 cm | |
| 26 Dec. | Light snow | 5° /1° | 8.6 mm | 1.5 cm | |
| 27 Dec. | Light snow | 4° /2° | 7.2 mm | 2.4 cm | |
| 28 Dec. | Patchy rain possible | 4° /1° | 1.7 mm | 0.1 cm | |
| 29 Dec. | Patchy rain possible | 2° /0° | 1.1 mm | 0 cm | |
| 30 Dec. | Light snow | 4° /1° | 5.1 mm | 2.7 cm | |
| 31 Dec. | Light rain | 3° /0° | 3.4 mm | 0 cm | |
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Important Notice
Our weather forecast for Southern Peninsula 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 Southern Peninsula forecast closer to your planned date for the most up-to-date weather information.
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Southern Peninsula in December - FAQ
What are the expected maximum and minimum temperatures in Southern Peninsula during December?
During December, expect a variety of temperatures with highs around 4° and lows near 1°, suitable for diverse activities and preferences.
How much rainfall should be expected in Southern Peninsula during December?
Significant rainfall exceeding 146.3 mm is expected in Southern Peninsula during December, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Southern Peninsula in December 2026?
Southern Peninsula experiences an average snowfall of 19.1 cm during December, occurring over 8 days.
What are the typical wind conditions in Southern Peninsula during December?
The average wind speed in Southern Peninsula during December is 48 km/h, suggesting breezy to windy conditions, depending on your activities.
Southern Peninsula snow forecast December 2026
Track daily snowfall levels and discover Southern Peninsula’s snowy potential this December ❄️
On average, Southern Peninsula sees 8 snowy days during December, with approximately 19.1 cm of total snowfall.
December rainfall patterns in Southern Peninsula
Explore the daily rainfall trends and prepare for Southern Peninsulas December weather 💧
Typically, Southern Peninsula has 12 rainy days in December with a total of 146.3 mm of rainfall.
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