June was warmer than usual
According to the statistics of the Finnish Meteorological Institute, June was warmer than usual in Finland. The average temperature in June was 1 to 2 degrees above the long-term average, in most parts of the country. In the northernmost parts of Lapland and the southwest archipelago, June was even unusually warm, in places. The average temperature in June varied from approximately 17 degrees in the southern and central parts of the country to approximately 10 degrees in northwest Lapland.
There were 13 hot days in June which is more than average. On average, Finland experiences eight hot days somewhere in the country during June.
The highest temperature of the month, 29.5 degrees, was recorded at the Salo Kärkkä observation station on 29 June, and the lowest temperature, -2.5 degrees, was recorded in Lompolonvuoma, Kittilä, on 2 June.
Unusually rainy across much of Lapland
Monthly precipitation levels were largely close to normal. Whereas, in Lapland, it was unusually rainy in many places, and even exceptionally rainy at a couple of observation stations.
The location with the greatest amount of precipitation was Raistakka in Posio, which saw 135.3 millimetres of rain. The lowest amount of precipitation, 27.5 mm, was recorded at the Keskikylä observation station in Hailuoto. The greatest amount of precipitation in a single day was 55.1 millimetres measured at Kemie, Tohmajärvi, on 17 June.
In June, most of the country saw less sunshine than usual, generally around 200–270 hours.
Approximately 6,400 cloud-to-ground lightning strikes were observed, which is well below the average. The average number of cloud-to-ground lightning strikes in June, for the 2002–2025 period, is approximately 17,600.
Further information:
Weather statistics from the Climate Service, tel. +358 600 1 0601 (€ 4.06/min + local network fee)
