Weather Finland
Weather forecast for cities and mountains plus sea temperature in Finland.
Weather across the country
Tonight it will cool to 0–6 °C. Tomorrow the larger cities will be mostly clear, with no rain. Highs will range from 5 °C (Kuopio) to 11 °C (Helsinki).
Weather in larger cities
Mountain weather
Sea temperature
Ahvenanmaa
Keski-Pohjanmaa
Kymenlaakso
Lappi
More coastal places: 195
Climate – Finland
Finland has a cold continental climate with long winters and short but warm summers. In the north (Lapland) snow covers the ground for much of the year, while winters are milder in the south along the Gulf of Finland.
Averages 2022–2024 (Helsinki): the warmest month is August (average daytime high 20.8 °C), the coldest January (average night-time low −6.9 °C). About 800 mm of precipitation falls per year; the wettest month is August (86 mm), the driest May (34 mm), with around 145 days of at least 1 mm.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | -2 | 0 | 2 | 7 | 14 | 19 | 20 | 21 | 16 | 10 | 4 | 0 |
| Low °C | -7 | -5 | -4 | 0 | 6 | 12 | 14 | 15 | 11 | 5 | 1 | -4 |
| Rain mm | 78 | 78 | 43 | 49 | 34 | 39 | 78 | 86 | 76 | 77 | 80 | 82 |