Weather in Helsinki in May
The weather in Helsinki in May is quite cold while degrees are between 6 to 11, in addition it might be rainy (around 11 rainfall days) so it is important to prepare yourself with warm cloth and umbrella.
Avg Temp
6° - 11°
Avg Rainy Days
11
Avg Dry Days
20
Avg Snow Days
0
Weather Facts - Helsinki in May
* The warmest temperature recorded in in May is 23°C
* The coldest temperature recorded in Helsinki in May is (-1°C)
* The average rainfall in Helsinki in May is 30 mm