Daytime highs, nighttime lows and the warmest cities in Southern Finland, Finland this May.
Southern Finland, Finland, a region in Finland, experiences maximum daytime temperatures in May ranging from 10°C (50°F) in Hanko to 17°C (63°F) in Laukkoski. Nighttime temperatures generally drop to 6°C (43°F) in Laukkoski and 7°C (45°F) in Hanko.
Curious about the May temperatures in the prime spots of Southern Finland? Navigate the map below and tap on a destination dot for more detailed stats.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Southern Finland.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Expect daytime temperatures around 16°C (61°F) in Helsinki. That makes May a moderate month for Southern Finland, Finland.
Average overnight lows in Southern Finland, Finland during May sit near 6°C (43°F) in Helsinki.
According to our recent database analysis, Laukkoski is the warmest city. It experiences an average maximum daytime temperature of approximately 17°C (63°F) and rarely drops below 6°C (43°F) during the night.
The coldest city in May in Southern Finland, Finland is Hanko when we check our database. The maximum daytime temperatures are around 10°C (50°F) and minimum nighttime temperatures fall around 7°C (45°F).
Helsinki enjoys approximately 275 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
The water temperature averages approximately 4°C (39°F) in Helsinki this month, generally too cold for comfortable swimming.
We have much more information about the climate in Southern Finland.
Weather and climate has detailed information for every country in the world. Are you going to Finland? Get detailed historical weather averages for many cities in Finland.
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