Measurements:
°C
°F
Helsinki
40°F
NE 14 mph
Feels like: 30°F
Precip: 0%
World Resorts Finland Helsinki Weather May Weather in Helsinki

Helsinki Weather: May

Average Day Temperature: 54.8°F
Average Night Temperature: 44.8°F
Sea Water Temperature: 44.3°F
Number of Sunny Days: 14 days
Sunshine Hours: 16.0 - 18.3 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 71°F. The lowest night temperature was 29°F. The average values for day and night temperatures during May were 58.7°F и 47.8°F respectivly.

Helsinki Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Helsinki was 46.0°F. The maximum and minimum values were 37.8°F and 58.4°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Helsinki is 1.4 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 8.8 mph. It makes May the most windless month of the year for Helsinki.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Helsinki in May is 10.7 hours.

Best Time to Visit Helsinki
The most sunny months:
July 15 days
June 15 days
May 14 days
The most warm months:
July 70.7 °F
August 69.2 °F
June 65.0 °F
Warmest sea temperature:
August 64.6 °F
July 63.1 °F
September 59.7 °F
The most cold months:
January 25.6 °F
February 26.7 °F
December 31.6 °F
The most rainy months:
August 5 days
September 4 days
July 4 days
The most windy months:
December 12 mph
November 12 mph
January 11 mph

Helsinki on the Weather Map

Finland Resorts:
NAME
Espoo +38
Helsinki +40
Imatra +34
Juvaskyla +34
Kemi +36
Koli National Park +30
Lahti +34
Lappeenranta +34
Oulu +36
Saariselka +32
Savolinna +32
Seinajoki +36
Turku +38
Vaasa +36
Vantaa +38
24 Hours Weather Forecast
Helsinki
Local time: 15:07
25 dec, wednesday
1800 40°F
NE
11 mph
2100 40°F
NE
11 mph
26 dec, thursday
0000 42°F
NE
14 mph
0300 42°F
NE
14 mph
0600 42°F
NE
16 mph
0900 42°F
NE
17 mph
1200 42°F
NE
14 mph
1500 42°F
E
12 mph