Are summers hot in Finland?
Well, they can be!
As Finland is located in the far north, you might think that summers in Finland are anything but warm. Luckily, that’s not true. Summer weather in Finland is actually very pleasant, and sometimes even warm!
Average summer temperatures in Finland usually range between 10 °C and 20 °C. And yes, you are right. That not too hot for summer. But trust me, there are also some warmer days. Especially in July there is a good chance to get to enjoy very hot weather, or perhaps even a heat wave. To prove this true, here are 10 facts about Finnish summer weather. This shows you that Finland can be hot, especially in summer!
How Hot is Summer in Finland?
- The average summer temperatures in Finland usually range between 10 °C and 20 °C
- The warmest summer weather in Finland is usually experienced around July 20th
- The hottest mean monthly temperature recorded in Finland is 23 °C. This was recorded in Puumala municipality in July 2010
- On average there are usually 10-15 days a year when temperature is above 25 °C
- When maximum daily temperature is over 25 °C in consecutive days, it is called “helleaalto” in Finland. That’s the Finnish word for heat wave
- Longest heat wave in Finland lasted 31 days. This happened in the city of Kouvola in 2021. Daily maximum temperature rose above 25 °C every day between June 18th and July 18th
- The highest summer temperatures in Finland are usually between 32 °C and 35 °C
- The highest summer temperature ever recorded in Helsinki is 31,6 °C
- The highest temperature ever recorded in Finland is 37,2 °C. This was recorded at the Joensuu Airport on July 29th in 2010
- Hottest heat wave was experienced in 1972 when maximum temperature rose over 30 °C for ten consecutive days between June 30th and July 9th. This happened in a place called Nellim, which is located in Inari municipality, in Finnish Lapland
Finnish Meteorological institute
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