Weather in May 2025

Helsinki weather in May 2025

°C °F

The average weather in Helsinki in May

The temperatures in Helsinki in May are quite cold with temperatures between 7°C and 11°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Helsinki during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Please note that Helsinki can expect a few days of snow in May.

Our weather forecast can give you a great sense of what weather to expect in Helsinki in May 2025.

If you’re planning to visit Helsinki in the near future, we highly recommend that you review the 14 day weather forecast for Helsinki before you arrive.

Temperatures
11° / 7°
Rainy Days
5
Snowy Days
1
Dry Days
25
Rainfall
60
mm
Sun Hours
9.5
Hrs

Explore the weather in Helsinki in other months

Helsinki annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -2° / -5° 4 8 19 60 mm
Awful
February -2° / -5° 4 7 17 51 mm
Awful
March 1° / -3° 7 10 15 46 mm
Awful
April 5° / 2° 6 18 6 42 mm
Awful
May 11° / 7° 5 25 1 60 mm
Ok
June 16° / 12° 6 24 0 83 mm
Good
July 20° / 16° 6 25 0 106 mm
Good
August 19° / 15° 7 24 0 135 mm
Ok
September 15° / 12° 6 24 0 91 mm
Good
October 9° / 6° 8 20 3 90 mm
Awful
November 5° / 3° 7 18 5 76 mm
Awful
December 1° / -1° 7 11 14 72 mm
Awful

Weather in Helsinki in May - FAQ

What is the average temperature in Helsinki in May?
The average temperature in Helsinki in May is 7/11° C.
What is the chance of rain in Helsinki in May?
On average, there are 5 rainy days in Helsinki during May.
Weather wise, is May a good time to visit Helsinki?
The weather in Helsinki in May is ok.
Can it snow in Helsinki in May?
On average, there are 1 snowy days in Helsinki in May.
More about the weather in Helsinki