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Weather in Ostrobothnia for December 2025

Your guide to Ostrobothnia weather in December - trends and predictions

    Snow Forecast ❄️

  • The climate of Ostrobothnia in December is quite snowy, averaging 13 snowy days.
    According to Ostrobothnia snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • So far, December 2025 in Ostrobothnia shows a warmer trend than usual by 3.5 °C.

  • The forecast for the upcoming days in Ostrobothnia predicts a temperature of 2 °C, which is slightly above the historical average.

  • In general, the average temperature in Ostrobothnia at the beginning of December is 0.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0 °C by the end of December.

Average dry days
16
Dry days
Average rainy days
2
Rainy days
Average snowy days
13
Snow days
Average temperatures
2°/-10°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
88 %
Avg humidity

Ostrobothnia Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate snow
2°
2
Light snow
2°
3
Heavy snow
1°
4
Moderate snow
1°
5
Light snow
-1°
6
Light snow
-1°
7
Light freezing rain
-0°
8
Moderate snow
0°
9
Mist
-1°
10
Mist
-0°
11
Mist
-1°
12
Mist
-4°
13
Light snow
-4°
14
Heavy snow
-2°
15
Light snow
-1°
16
Patchy rain possible
4°
17
Moderate rain
4°
18
Patchy rain possible
4°
19
Moderate rain
5°
20
Patchy rain possible
4°
21
Partly cloudy
3°
22
Patchy rain possible
3°
23
Sunny
1°
24
Sunny
-4°
25
Partly cloudy
-0°
26
Sunny
2°
27
Cloudy
1°
28
Sunny
0°
29
Partly cloudy
1°
30
Light snow
-1°
31
Heavy rain at times
-3°

Temperatures trend during December in Ostrobothnia

See the weather trend as well as the moving average line

December weather in Ostrobothnia day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Moderate snow
Moderate snow
 2° /-3° 5.2 mm 0.3 cm
2 Dec. Light snow
Light snow
 2° /-4° 2 mm 0.2 cm
3 Dec. Heavy snow
Heavy snow
 1° /-1° 1.5 mm 1 cm
4 Dec. Moderate snow
Moderate snow
 1° /-2° 0.7 mm 0.5 cm
5 Dec. Light snow
Light snow
 -1° /-4° 0.3 mm 0.1 cm
6 Dec. Light snow
Light snow
 -1° /-3° 3.3 mm 0.2 cm
7 Dec. Light freezing rain
Light freezing rain
 0° /-3° 1.9 mm 0 cm
8 Dec. Moderate snow
Moderate snow
 0° /-3° 2.4 mm 0.3 cm
9 Dec. Mist
Mist
 -1° /-3° 0.8 mm 0 cm
10 Dec. Mist
Mist
 0° /-3° 2.8 mm 0.4 cm
11 Dec. Mist
Mist
 -1° /-4° 0.3 mm 0.2 cm
12 Dec. Mist
Mist
 -4° /-6° 0 mm 0 cm
13 Dec. Light snow
Light snow
 -4° /-7° 3.6 mm 2.6 cm
14 Dec. Heavy snow
Heavy snow
 -2° /-6° 2.8 mm 1.4 cm
15 Dec. Light snow
Light snow
 -1° /-8° 0.4 mm 0.1 cm
16 Dec. Patchy rain possible
Patchy rain possible
 4° /0° 1.9 mm 0 cm
17 Dec. Moderate rain
Moderate rain
 4° /1° 8.4 mm 0 cm
18 Dec. Patchy rain possible
Patchy rain possible
 4° /0° 0.3 mm 0 cm
19 Dec. Moderate rain
Moderate rain
 5° /4° 9.7 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 4° /3° 0.4 mm 0 cm
21 Dec. Partly cloudy
Partly cloudy
 3° /1° 0 mm 0 cm
22 Dec. Patchy rain possible
Patchy rain possible
 3° /0° 0.4 mm 0 cm
23 Dec. Sunny
Sunny
 1° /-5° 0 mm 0 cm
24 Dec. Sunny
Sunny
 -4° /-5° 0 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 0° /-4° 0 mm 0 cm
26 Dec. Sunny
Sunny
 2° /1° 0 mm 0 cm
27 Dec. Cloudy
Cloudy
 1° /0° 0 mm 0 cm
28 Dec. Sunny
Sunny
 0° /0° 0 mm 0 cm
29 Dec. Partly cloudy
Partly cloudy
 1° /0° 0 mm 0 cm
30 Dec. Light snow
Light snow
 -1° /-5° 1.5 mm 0.1 cm
31 Dec. Heavy rain at times
Heavy rain at times
 -3° /-7° 1.4 mm 0 cm
Next
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 2° 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?
Moderate rainfall is anticipated in Ostrobothnia during December, with a total of 82.9 mm spread over approximately 2 days. Considering plans for rainy days is advisable.
Will it snow in Ostrobothnia in December 2025?
Ostrobothnia experiences an average snowfall of 37.4 cm during December, occurring over 13 days.
What are the typical wind conditions in Ostrobothnia during December?
The average wind speed in Ostrobothnia during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Ostrobothnia snow forecast December 2025

Track daily snowfall levels and discover Ostrobothnia’s snowy potential this December ❄️
On average, Ostrobothnia sees 13 snowy days during December, with approximately 37.4 cm of total snowfall.

December rainfall patterns in Ostrobothnia

Explore the daily rainfall trends and prepare for Ostrobothnias December weather 💧
Typically, Ostrobothnia has 2 rainy days in December with a total of 82.9 mm of rainfall.
Provinces in Ostrobothnia
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Vaasa
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Location coordinates Where is Ostrobothnia?

Get accurate weather forecasts for Ostrobothnia, located at latitude 63.096 and longitude 21.616. Stay updated with localized weather information tailored for Ostrobothnia.

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