Seinäjoki Weather & Climate

Finland

Seinäjoki sees feels-like daytime highs peak around 23.2°C in July and nighttime lows bottom out near -12.2°C in January. July is the wettest month (~70 mm), while February is the driest (~7 mm). For sunshine, July leads with about 52% clear skies.

Best time to visit Seinäjoki

Based on mild feels-like temperatures and low rain chances, the most comfortable months are July, August, and June — expect around 12.223.2°C with roughly 35% chance of rain on a given day in July.

Seinäjoki climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January-12.2° / -6.5°6%11 mm21%9.7 kph
February-12.1° / -6.3°4%7 mm22%9.6 kph
March-7.9° / -1.3°8%12 mm30%9.2 kph
April-2.1° / 5.7°16%26 mm39%8.7 kph
May3.8° / 13.6°24%42 mm49%8.1 kph
June8.8° / 19.3°29%56 mm51%7.4 kph
July12.2° / 23.2°35%70 mm52%6.9 kph
August10.4° / 21°33%66 mm48%7.1 kph
September5.9° / 13.5°29%54 mm40%7.8 kph
October0.7° / 6°25%47 mm28%8.4 kph
November-5.1° / -0.7°17%29 mm24%9 kph
December-9.3° / -4.3°11%18 mm23%9.5 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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