Table below will help you to find the best place for your vacation in Finland in May. Find the place with less rains and more sun. We also provide information about sea water temperature for marine resort.

Place name	Air temp day / night		Cloudiness	Rainy days (precipitation)	Sunny hours
Espoo	58.6°F	45.5°F	35.4%	-	12 h. 8 min.
Hameenlinna	60.2°F	44.5°F	40.9%	-	11 h. 20 min.
Helsinki	54.9°F	45.2°F	34.7%	-	12 h. 15 min.
Imatra	57.7°F	43.8°F	46.6%	1 day (0.7 in.)	10 h. 19 min.
Joensuu	52.5°F	41.9°F	50.1%	-	9 h. 57 min.
Juvaskyla	58.1°F	43.9°F	48.0%	-	10 h. 14 min.
Kemi	43.2°F	37.3°F	49.1%	-	10 h. 48 min.
Koli National Park	49.3°F	40.3°F	53.6%	1 day (0.6 in.)	9 h. 26 min.
Kotka	48.6°F	44.3°F	40.2%	-	11 h. 20 min.
Kouvola	58.6°F	45.0°F	41.8%	-	11 h. 8 min.
Kuopio	52.1°F	42.3°F	50.6%	-	9 h. 53 min.
Lahti	59.6°F	45.1°F	40.7%	-	11 h. 19 min.
Lappeenranta	56.7°F	44.5°F	45.6%	-	10 h. 30 min.
Levi	46.7°F	35.6°F	66.5%	-	7 h. 3 min.
Mikkeli	55.4°F	43.6°F	47.1%	-	10 h. 19 min.
Oulu	47.4°F	40.0°F	50.4%	-	10 h. 21 min.
Pori	51.4°F	44.2°F	32.0%	-	12 h. 55 min.
Porvoo	51.2°F	44.5°F	37.5%	-	11 h. 47 min.
Rovaniemi	49.5°F	38.0°F	59.8%	-	8 h. 12 min.
Ruka	47.3°F	36.6°F	66.4%	-	7 h. 29 min.
Saariselka	44.4°F	35.5°F	68.3%	-	7 h. 32 min.
Savolinna	55.2°F	43.3°F	49.5%	-	9 h. 58 min.
Seinajoki	55.9°F	43.1°F	38.2%	-	12 h. 7 min.
Tahko	55.4°F	42.6°F	55.3%	-	9 h. 8 min.
Tampere	59.2°F	43.9°F	42.7%	-	11 h. 5 min.
Turku	55.8°F	44.9°F	33.5%	-	12 h. 30 min.
Vaasa	46.1°F	42.2°F	35.4%	-	12 h. 43 min.
Vantaa	59.3°F	45.4°F	36.1%	-	12 h. 2 min.
Vuokatti	52.9°F	41.2°F	58.7%	1 day (0.6 in.)	8 h. 38 min.

* Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Winter weather

Spring weather

Summer weather

Autumn weather

Name

°F

Vaasa