Koillismaa (Kuusamo)
December
Weather in Koillismaa for December 2025
Your guide to Koillismaa weather in December - trends and predictions
Koillismaa is transformed into a snow paradise in December, with more than 20 snowy days on average.
According to Koillismaa snow forecast for December 2025, 12 snowy days are expected in the next 2 weeks. The closest date with snow is Sunday, 14 December.So far, December 2025 in Koillismaa shows a warmer trend than usual by 2.5 °C.
The forecast for the upcoming days in Koillismaa predicts a temperature of -3.4 °C, which is slightly above the historical average.
In general, the average temperature in Koillismaa at the beginning of December is -3.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -5.1 °C by the end of December.
Snow Forecast ❄️
Temperatures
5
Dry days
1
Rainy days
25
Snow days
-7°/-12°
Temperatures
16 km/h
Avg max wind
93 %
Avg humidity
Koillismaa Weather December
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Temperatures trend during December in Koillismaa
See the weather trend as well as the moving average line
December weather in Koillismaa day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light snow | -3° /-9° | 1.6 mm | 1.1 cm | |
| 2 Dec. |  Freezing fog | -3° /-10° | 1.8 mm | 1 cm | |
| 3 Dec. |  Moderate snow | -3° /-9° | 2.9 mm | 2.2 cm | |
| 4 Dec. | Light snow | -4° /-6° | 0.6 mm | 0.5 cm | |
| 5 Dec. | Moderate snow | -4° /-6° | 1.4 mm | 1.1 cm | |
| 6 Dec. | Light snow | -4° /-10° | 0.6 mm | 0.4 cm | |
| 7 Dec. | Light snow | -6° /-10° | 0.3 mm | 0.1 cm | |
| 8 Dec. |  Heavy snow | -5° /-9° | 2.5 mm | 1.8 cm | |
| 9 Dec. | Light snow | -5° /-8° | 1.7 mm | 1.2 cm | |
| 10 Dec. | Light snow | -4° /-7° | 2.6 mm | 1.9 cm | |
| 11 Dec. | Light snow | -5° /-13° | 0.8 mm | 0.3 cm | |
| 12 Dec. | Freezing fog | -12° /-15° | 0.4 mm | 0.2 cm | |
| 13 Dec. | Freezing fog | -15° /-18° | 0 mm | 0 cm | |
| 14 Dec. |  Mist | -10° /-15° | 0.2 mm | 0.2 cm | |
| 15 Dec. | Light snow | -5° /-9° | 5.7 mm | 4.1 cm | |
| 16 Dec. | Heavy snow | -2° /-4° | 4.4 mm | 3.1 cm | |
| 17 Dec. | Heavy snow | -1° /-6° | 4.4 mm | 3.2 cm | |
| 18 Dec. | Freezing fog | -10° /-15° | 0 mm | 0 cm | |
| 19 Dec. | Freezing fog | -8° /-14° | 0.8 mm | 0.6 cm | |
| 20 Dec. |  Patchy moderate snow | 1° /-6° | 0.7 mm | 0.5 cm | |
| 21 Dec. | Light snow | 1° /0° | 1.2 mm | 0.9 cm | |
| 22 Dec. | Light snow | 2° /0° | 2.7 mm | 2 cm | |
| 23 Dec. |  Light freezing rain | -1° /-2° | 0.4 mm | 0.3 cm | |
| 24 Dec. |  Moderate or heavy snow showers | 1° /-2° | 1.9 mm | 1.4 cm | |
| 25 Dec. | Light freezing rain | 1° /-4° | 0.3 mm | 0.2 cm | |
| 26 Dec. | Moderate or heavy snow showers | -2° /-6° | 1.5 mm | 1.1 cm | |
| 27 Dec. |  Overcast | -7° /-12° | 0.1 mm | 0 cm | |
| 28 Dec. | Light freezing rain | -8° /-12° | 1 mm | 0 cm | |
| 29 Dec. | Light snow | -8° /-12° | 0.6 mm | 0.4 cm | |
| 30 Dec. | Light freezing rain | -7° /-12° | 1.8 mm | 0.4 cm | |
| 31 Dec. | Patchy moderate snow | -5° /-16° | 2.2 mm | 0.9 cm | |
| Next | |||||
Important Notice
Our weather forecast for Koillismaa 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 Koillismaa forecast closer to your planned date for the most up-to-date weather information.
Change Month
Koillismaa in December - FAQ
What are the expected maximum and minimum temperatures in Koillismaa during December?
Brace for cold days with temperatures not exceeding -7° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Koillismaa during December?
In December, Koillismaa can expect light to moderate rainfall, totaling 40.3 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Koillismaa in December 2025?
Koillismaa experiences an average snowfall of 25.3833 cm during December, occurring over 25 days.
What are the typical wind conditions in Koillismaa during December?
The average wind speed in Koillismaa during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Koillismaa snow forecast December 2025
Track daily snowfall levels and discover Koillismaa’s snowy potential this December ❄️
On average, Koillismaa sees 25 snowy days during December, with approximately 25.4 cm of total snowfall.
December rainfall patterns in Koillismaa
Explore the daily rainfall trends and prepare for Koillismaas December weather 💧
Typically, Koillismaa has 1 rainy days in December with a total of 40.3 mm of rainfall.
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