Measurements:
°C
°F
CURRENT WEATHER
08:53
Helsinki
40°F
W 12 mph
Feels like: 34°F
Precip: 0%
World Resorts Finland Helsinki Weather

7 Day Weather Forecast

05.06
mon
DAY
42°F
NW 12 mph
precip
0%
NIGHT
36°F
S 3 mph
precip
0%
05.07
tue
DAY
46°F
S 6 mph
precip
0%
NIGHT
30°F
SW 10 mph
precip
0%
05.08
wed
DAY
42°F
SE 9 mph
precip
0%
NIGHT
32°F
NE 4 mph
precip
0%
05.09
thu
DAY
44°F
NE 12 mph
precip
0%
NIGHT
36°F
NE 6 mph
precip
0%
05.10
fri
DAY
48°F
E 9 mph
precip
69%
NIGHT
40°F
E 14 mph
precip
0%
05.11
sat
DAY
48°F
E 12 mph
precip
0%
NIGHT
38°F
SE 9 mph
precip
0%
05.12
sun
DAY
46°F
S 12 mph
precip
0%
NIGHT
38°F
SE 9 mph
precip
0%

Helsinki Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Helsinki was 7.0°F. The maximum and minimum values were 3.7°F and 10.6°F respectively.

Helsinki on the Weather Map

Best Time to Visit Helsinki
The most sunny months:
July 16 days
June 15 days
May 14 days
The most warm months:
July 70.8 °F
August 69.1 °F
June 65.0 °F
Warmest sea temperature:
August 64.4 °F
July 63.0 °F
September 59.5 °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
more details