Measurements:
°C
°F
CURRENT WEATHER
10:31
Helsinki
56°F
S 5 mph
Feels like: 56°F
Precip: 0%
World Resorts Finland Helsinki Weather

14 Day Weather Forecast

05.30
sat
DAY
64°F
S 3 mph
precip
0%
NIGHT
54°F
SW 5 mph
precip
74%
05.31
sun
DAY
52°F
W 9 mph
precip
0%
NIGHT
46°F
E 2 mph
precip
0%
06.01
mon
DAY
60°F
N 7 mph
precip
0%
NIGHT
50°F
E 6 mph
precip
0%
06.02
tue
DAY
60°F
NW 7 mph
precip
0%
NIGHT
54°F
SW 6 mph
precip
100%
06.03
wed
DAY
58°F
W 9 mph
precip
100%
NIGHT
50°F
SW 6 mph
precip
0%
06.04
thu
DAY
58°F
W 9 mph
precip
100%
NIGHT
52°F
W 10 mph
precip
0%
06.05
fri
DAY
60°F
W 12 mph
precip
0%
NIGHT
56°F
S 4 mph
precip
0%
06.06
sat
DAY
66°F
N 7 mph
precip
0%
NIGHT
58°F
E 7 mph
precip
0%
06.07
sun
DAY
58°F
NE 12 mph
precip
63%
NIGHT
60°F
S 10 mph
precip
0%
06.08
mon
DAY
72°F
NW 1 mph
precip
0%
NIGHT
64°F
SE 4 mph
precip
0%
06.09
tue
DAY
70°F
W 7 mph
precip
0%
NIGHT
62°F
W 5 mph
precip
0%
06.10
wed
DAY
70°F
W 9 mph
precip
0%
NIGHT
62°F
W 7 mph
precip
0%
06.11
thu
DAY
70°F
W 11 mph
precip
100%
NIGHT
60°F
SW 7 mph
precip
0%
06.12
fri
DAY
70°F
W 11 mph
precip
0%
NIGHT
62°F
NW 6 mph
precip
100%

Helsinki Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Helsinki was 45.8°F. The maximum and minimum values were 40.6°F and 51.2°F respectively.

Helsinki on the Weather Map

Best Time to Visit Helsinki
The most sunny months:
June 15 days
July 15 days
May 14 days
The most warm months:
July 70.8 °F
August 69.0 °F
June 64.8 °F
Warmest sea temperature:
August 64.6 °F
July 63.2 °F
September 59.8 °F
The most cold months:
January 25.5 °F
February 26.1 °F
December 31.9 °F
The most rainy months:
August 5 days
July 4 days
October 4 days
The most windy months:
December 12 mph
November 12 mph
January 11 mph
more details
Finland Resorts:
NAME
F°
Espoo +60
Helsinki +56
Imatra +50
Juvaskyla +58
Kemi +44
Koli National Park +50
Kotka +52
Lahti +58
Oulu +54
Pori +60
Porvoo +58
Saariselka +52
Turku +60
Vaasa +54
Vantaa +60
all resorts
24 Hours Weather Forecast
Helsinki
Local time: 10:31
30 may, saturday
1200 64°F
S
3 mph
1500 66°F
SE
3 mph
1800 64°F
W
5 mph
2100 54°F
W
4 mph
31 may, sunday
0000 54°F
SW
5 mph
0300 50°F
W
7 mph
0600 50°F
W
7 mph
0900 52°F
W
9 mph