Nationwide temp records,
Jan: 6.1C Lumparland, Ã…land
Feb: 8.1C Pori, Satakunta
Mar: 13.5C Mariehamn Jomala, Ã…land
Apr: 20.4C Kemiö, Finland Proper
May: 30.8C Heinola, Lahti suburb
Jun: 30.5C Liperi Joensuu, N Karelia
Jul: 32.5C Kouvola, SE Finland
Aug: 32.8C Pori, Satakunta
Sep: 23.1C Turku Artukainen, Finland Proper
Oct: 16.9C Kemiö, Finland Proper
Nov: 11.5C Pori, Satakunta
Dec: 8.6C Kristinestad, Ostrobothnia
Jan: -40.7C Utsjoki Kevo, Lapland
Feb: -37.5C Kuusamo, Northern Ostrobothnia
Mar: -34.3C Kilpisjärvi, Lapland
Apr: -24.0C Salla, Lapland
May: -16.3C Kittilä, Lapland
Jun: -2.6C Pyhäjärvi, Northern Ostrobothnia
Jul: 1.7C Vaala, Northern Ostrobothnia
Aug: -2.7C Ylivieska, Northern Ostrobothnia
Sep: -9.7C Inari, Lapland
Oct: -21.7C Taivalkoski, Northern Ostrobothnia
Nov: -27.6C Utsjoki Kevo, Lapland
Dec: -35.0C Inari, Lapland
Not surprisingly all cold records were in Northern Finland.