Ostrobothnia (Vaasa)
December
Weather in Ostrobothnia for December 2026
Your guide to Ostrobothnia weather in December - trends and predictions
Ostrobothnia typically experiences moderate snowfall in December, with an average of 10 snowy days.
In general, the average temperature in Ostrobothnia at the beginning of December is 0.2 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of -1 °C by the end of December.
Is December a good time to visit Ostrobothnia? check out the best time to travel to Ostrobothnia page.
Snow Forecast ❄️
Temperatures
More
17
Dry days
4
Rainy days
10
Snow days
0°/-4°
Temperatures
24 km/h
Avg max wind
88 %
Avg humidity
Ostrobothnia Weather December
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Temperatures trend during December in Ostrobothnia
See the weather trend as well as the moving average line
December weather in Ostrobothnia day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate snow | 1° /-3° | 5.2 mm | 0.3 cm | |
| 2 Dec. |  Light snow | 2° /-3° | 2 mm | 0.2 cm | |
| 3 Dec. | Light snow | 0° /-1° | 1.5 mm | 1 cm | |
| 4 Dec. | Light snow | 0° /-2° | 0.7 mm | 0.5 cm | |
| 5 Dec. | Light snow | -1° /-4° | 0.3 mm | 0.1 cm | |
| 6 Dec. | Light snow | -1° /-3° | 3.3 mm | 0.2 cm | |
| 7 Dec. |  Light freezing rain | 0° /-3° | 1.9 mm | 0 cm | |
| 8 Dec. | Moderate snow | 0° /-3° | 2.4 mm | 0.3 cm | |
| 9 Dec. |  Mist | -1° /-3° | 0.8 mm | 0 cm | |
| 10 Dec. | Light snow | 0° /-3° | 2.8 mm | 0.4 cm | |
| 11 Dec. | Mist | -1° /-4° | 0.3 mm | 0.2 cm | |
| 12 Dec. | Mist | -4° /-6° | 0 mm | 0 cm | |
| 13 Dec. | Light snow | -4° /-6° | 3.6 mm | 2.6 cm | |
| 14 Dec. | Light snow | -2° /-6° | 2.8 mm | 1.4 cm | |
| 15 Dec. | Light snow | -2° /-8° | 0.4 mm | 0.1 cm | |
| 16 Dec. |  Light sleet | 2° /-3° | 3.1 mm | 0.7 cm | |
| 17 Dec. |  Light rain | 2° /-1° | 3.3 mm | 0.4 cm | |
| 18 Dec. |  Patchy rain possible | 2° /-4° | 2.3 mm | 0.1 cm | |
| 19 Dec. | Patchy rain possible | 3° /0° | 1.9 mm | 0.3 cm | |
| 20 Dec. |  Cloudy | 2° /-4° | 0.5 mm | 0.4 cm | |
| 21 Dec. | Mist | -3° /-6° | 0 mm | 0 cm | |
| 22 Dec. | Light snow | -1° /-6° | 1.8 mm | 1.2 cm | |
| 23 Dec. | Light snow | -1° /-5° | 1.6 mm | 1.3 cm | |
| 24 Dec. |  Partly cloudy | 0° /-4° | 0.8 mm | 0.6 cm | |
| 25 Dec. | Patchy rain possible | -1° /-3° | 0.2 mm | 0 cm | |
| 26 Dec. |  Patchy moderate snow | 0° /-3° | 0.5 mm | 0.2 cm | |
| 27 Dec. | Light freezing rain | 0° /-4° | 1.4 mm | 0.5 cm | |
| 28 Dec. | Light freezing rain | 0° /-4° | 0.1 mm | 0 cm | |
| 29 Dec. | Light freezing rain | 0° /-4° | 1 mm | 0.3 cm | |
| 30 Dec. | Light snow | -1° /-5° | 1.2 mm | 0.1 cm | |
| 31 Dec. | Patchy rain possible | -4° /-7° | 1.1 mm | 0 cm | |
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Important Notice
Our weather forecast for Ostrobothnia 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 Ostrobothnia forecast closer to your planned date for the most up-to-date weather information.
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Ostrobothnia in December - FAQ
What are the expected maximum and minimum temperatures in Ostrobothnia 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 Ostrobothnia during December?
In December, Ostrobothnia can expect light to moderate rainfall, totaling 48.7 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Ostrobothnia in December 2026?
Ostrobothnia experiences an average snowfall of 13.3 cm during December, occurring over 10 days.
What are the typical wind conditions in Ostrobothnia during December?
The average wind speed in Ostrobothnia during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Ostrobothnia snow forecast December 2026
Track daily snowfall levels and discover Ostrobothnia’s snowy potential this December ❄️
On average, Ostrobothnia sees 10 snowy days during December, with approximately 13.3 cm of total snowfall.
December rainfall patterns in Ostrobothnia
Explore the daily rainfall trends and prepare for Ostrobothnias December weather 💧
Typically, Ostrobothnia has 4 rainy days in December with a total of 48.7 mm of rainfall.
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