Finland in May: where is it warmest?
In May, Turku is the warmest place with 14 °C by day, Rovaniemi, Lapland the coolest with 11 °C. 3 of 7 destinations have good holiday weather.
All destinations in May, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
Finland in May: quick answers
Finland in May: where is it warmest?
The warmest places in May are Turku (14 °C), Porvoo (14 °C) and Helsinki (13 °C).
Finland in May: where is the sea warmest?
The sea is warmest at Turku (7 °C), Porvoo (7 °C) and Helsinki (6 °C).
Finland in May: where is the weather best?
The best holiday weather in May – warm, sunny and dry – is in Turku, Helsinki and Espoo.
Finland month by month
Finland: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences