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Ostrobothnia

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Ostrobothnia Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Ostrobothnia year round climate

  • Spring (March–May): Average -33–48°F, cold and humid climate, windy, relatively low rainfall, but temperatures remain low, requiring warm clothing. Common activities: Hiking (warm clothing required), birdwatching. Recommended clothing: Warm jacket, sweater, waterproof pants and jacket.
  • Summer (June–August): Average 59–62°F, mild climate, occasional rain, generally cool. Common activities: Hiking, cycling, boating, fishing. Recommended clothing: Light and breathable clothing, a light jacket for rain or cooler evenings.
  • Autumn (September–November): Average 44–55°F, cooler climate, increasing rainfall, especially in November. Common activities: Maple leaf viewing (in some areas), mushroom picking (safety precautions required), indoor activities such as visiting museums. Recommended clothing: Warm jacket, sweater, waterproof pants and jacket.
  • Winter (December–February): Average -4.1–-37.2°F, cold and dry climate, moderate snowfall. Common activities: Skiing, snowshoeing, ice fishing (depending on ice thickness). Recommended clothing: Heavy warm jacket, hat, scarf, gloves, waterproof snow boots.

Ostrobothnia climatological average

Annual average temperature: approx. 42.4°F / Annual rainfall: approx. 500 mm / Summer humidity: 60%–70% / Rainiest month: November

Ostrobothnia monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
24.6°F
44
February
26.8°F
38.4
March
30°F
33.3
April
35.1°F
39.5
May
48°F
12.2
June
59.4°F
19.3
July
62.8°F
50.2
August
62.8°F
59.3
September
55.2°F
46.2
October
44.2°F
59.4
November
34°F
63.8
December
26.8°F
34.4

Ostrobothnia weather for the next seven days

10/11
Sunday
Overcast
41.6°F/39.4°F
10/12
Monday
Overcast
42.5°F/40.6°F
10/13
Tuesday
Overcast
44°F/40.5°F
10/14
Wednesday
Light drizzle
49°F/43.3°F
10/15
Thursday
Overcast
50.7°F/48.3°F
10/16
Friday
Overcast
51.1°F/50.2°F
10/17
Saturday
Light drizzle
49.7°F/45°F