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Weather & climate · Helsinki

Flag of FinlandBest Time to Visit Finland

July to August

The best time to visit Finland is July to August, when daytime highs in Helsinki are around 19–20°C. July is the warmest month (20°C by day), February the coldest (-6°C at night), and October the wettest with about 80 mm of rain.

20°C
Warmest: July
-6°C
Coldest nights: February
713 mm
Rain per year
80 mm
Wettest: October

Finland weather by month

  1. Jan-1°C-5°C56 mm
  2. Feb-2°C-6°C45 mm
  3. Mar0°C-3°C42 mm
  4. Apr5°C1°C41 mm
  5. May11°C6°C48 mm
  6. Jun16°C11°C66 mm
  7. Jul20°C16°C59 mm
  8. Aug19°C15°C71 mm
  9. Sep15°C12°C63 mm
  10. Oct9°C6°C80 mm
  11. Nov5°C2°C75 mm
  12. Dec1°C-2°C67 mm

Best time Good Less ideal

-15°-10°-5°0°5°10°15°20°25°100 mm0January: 56 mm rainFebruary: 45 mm rainMarch: 42 mm rainApril: 41 mm rainMay: 48 mm rainJune: 66 mm rainJuly: 59 mm rainAugust: 71 mm rainSeptember: 63 mm rainOctober: 80 mm rainNovember: 75 mm rainDecember: 67 mm rainJanuary: -1°CFebruary: -2°CMarch: 0°CApril: 5°CMay: 11°CJune: 16°CJuly: 20°CAugust: 19°CSeptember: 15°COctober: 9°CNovember: 5°CDecember: 1°CJanuary: -5°CFebruary: -6°CMarch: -3°CApril: 1°CMay: 6°CJune: 11°CJuly: 16°CAugust: 15°CSeptember: 12°COctober: 6°CNovember: 2°CDecember: -2°CJanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Rain (mm per month)
MonthHighLowRainHumidityCloud coverVerdict
January-1°C-5°C56 mm93%82%Cold
February-2°C-6°C45 mm94%79%Cold
March0°C-3°C42 mm90%69%Cold
April5°C1°C41 mm85%67%Cold
May11°C6°C48 mm81%62%Fair
June16°C11°C66 mm81%66%Fair
July20°C16°C59 mm81%64%Best time
August19°C15°C71 mm80%63%Best time
September15°C12°C63 mm83%67%Fair
October9°C6°C80 mm87%78%Fair
November5°C2°C75 mm90%85%Cold
December1°C-2°C67 mm92%85%Cold

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Helsinki (60.17, 24.93). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Finland have their own climate.

Frequently asked questions

When is the best time to visit Finland?

July to August. The best time to visit Finland is July to August, when daytime highs in Helsinki are around 19–20°C. July is the warmest month (20°C by day), February the coldest (-6°C at night), and October the wettest with about 80 mm of rain.

What is the hottest month in Finland?

July, with average highs of 20°C in Helsinki.

What is the coldest month in Finland?

February, when nights drop to about -6°C and days reach -2°C.

What is the rainiest month in Finland?

October with about 80 mm; April is the driest (41 mm).

When should I avoid visiting Finland?

November is the least comfortable month on average: 5°C by day and 75 mm of rain.