Finland climate

World Climates covers 9 places in Finland. By annual mean temperature, the warmest is Helsinki (6 °C43 °F) and the coolest is Oulu (3 °C37 °F). The wettest is Kuopio with 883 mm35 in of precipitation per year, the driest Helsinki with 712 mm28 in.

The most common climate types (Köppen classification computed from these averages) are warm-summer humid continental (Dfb, 8 places) and subarctic (Dfc, 1 place).

The highest monthly average high is in Turku (22 °C72 °F in July); the lowest monthly average low is in Kuopio (−14 °C7 °F in January).

Across the places in Finland, the months that most often rank as the most comfortable are June, July and August (1, 9 and 9 of 9 places respectively).

Temperature and rainfall across Finland

Annual mean temperatures in Finland range from 3 °C37 °F to 6 °C43 °F. The typical place (the median of all 9) has a year average of 4 °C40 °F. Annual precipitation ranges from 712 mm28 in to 883 mm35 in. The median place receives about 733 mm29 in in an average year.

In 9 places of 9, the coldest month has an average low below 0 °C (32 °F). In 0 places, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 9 places, July is the warmest month, with a mean of 18 °C64 °F. January is the coldest, with −7 °C19 °F. The wettest month on average is July (81 mm3.2 in). The driest is March (42 mm1.7 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Helsinki, Espoo and Tampere. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Finland

Helsinki has a warm-summer humid continental climate (Köppen Dfb). Its year average is 6 °C43 °F. The warmest month is July, with an average high of 19 °C67 °F. The coldest is February, with an average low of −6 °C22 °F. About 712 mm28 in of precipitation falls in a year. October is the wettest month and April the driest. By our comfort score, the best months to visit are July and August.

Espoo has a warm-summer humid continental climate (Köppen Dfb). Its year average is 6 °C43 °F. The warmest month is July, with an average high of 20 °C68 °F. The coldest is February, with an average low of −6 °C21 °F. About 727 mm29 in of precipitation falls in a year. October is the wettest month and April the driest. By our comfort score, the best months to visit are July and August.

Tampere has a warm-summer humid continental climate (Köppen Dfb). Its year average is 4 °C40 °F. The warmest month is July, with an average high of 21 °C71 °F. The coldest is January, with an average low of −10 °C13 °F. About 776 mm31 in of precipitation falls in a year. June is the wettest month and March the driest. By our comfort score, the best months to visit are July and August.

Vantaa has a warm-summer humid continental climate (Köppen Dfb). Its year average is 5 °C42 °F. The warmest month is July, with an average high of 22 °C72 °F. The coldest is February, with an average low of −9 °C16 °F. About 733 mm29 in of precipitation falls in a year. October is the wettest month and March the driest. By our comfort score, the best months to visit are July and August.

Oulu has a subarctic climate (Köppen Dfc). Its year average is 3 °C37 °F. The warmest month is July, with an average high of 20 °C68 °F. The coldest is January, with an average low of −12 °C10 °F. About 729 mm29 in of precipitation falls in a year. July is the wettest month and February the driest. By our comfort score, the best months to visit are July and August.

Turku has a warm-summer humid continental climate (Köppen Dfb). Its year average is 6 °C42 °F. The warmest month is July, with an average high of 22 °C72 °F. The coldest is February, with an average low of −8 °C18 °F. About 723 mm28 in of precipitation falls in a year. October is the wettest month and April the driest. By our comfort score, the best months to visit are June–August.

Jyväskylä has a warm-summer humid continental climate (Köppen Dfb). Its year average is 4 °C39 °F. The warmest month is July, with an average high of 21 °C71 °F. The coldest is January, with an average low of −12 °C10 °F. About 807 mm32 in of precipitation falls in a year. July is the wettest month and March the driest. By our comfort score, the best months to visit are July and August.

Kuopio has a warm-summer humid continental climate (Köppen Dfb). Its year average is 3 °C37 °F. The warmest month is July, with an average high of 21 °C70 °F. The coldest is January, with an average low of −14 °C7 °F. About 883 mm35 in of precipitation falls in a year. July is the wettest month and February the driest. By our comfort score, the best months to visit are July and August.

Lahti has a warm-summer humid continental climate (Köppen Dfb). Its year average is 4 °C40 °F. The warmest month is July, with an average high of 22 °C72 °F. The coldest is January, with an average low of −11 °C13 °F. About 746 mm29 in of precipitation falls in a year. June is the wettest month and March the driest. By our comfort score, the best months to visit are July and August.

Frequently asked questions

Which is the warmest place in Finland?

By annual mean temperature, the warmest place in Finland is Helsinki at 6 °C43 °F. The coolest is Oulu at 3 °C37 °F.

Where does it rain the most in Finland?

Kuopio gets the most precipitation, 883 mm35 in in an average year. The driest place is Helsinki with 712 mm28 in.

How many places in Finland does this site cover?

World Climates has climate data for 9 places in Finland. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Finland?

It depends on the place. Across Finland, the months that most often rank as the most comfortable are June, July and August. Check the page of each city for its own best months.