World Resorts Finland Helsinki Weather

Helsinki Sea Temperature in March

Average sea water temperature in March:
+32.4°F
Minimum sea water temperature in March: 38.1°F
Maximum sea water temperature in March: 28.9°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 31.3°F. The highest and lowest sea temperatures during the month were 32.9°F and 28.9°F.

Monthly sea water temperature in Helsinki, °F

Which Finland resorts have warmest sea in March?

Place name March 2026 March 2025
Savolinna 32.6°F 32.3°F
Lahti 32.3°F 32.6°F
Juvaskyla 32.1°F 32.1°F
Imatra 32.0°F 32.0°F
Saariselka 32.0°F 32.0°F
Koli National Park 32.0°F 32.0°F
Turku 31.8°F 33.4°F
Seinajoki 31.8°F 31.9°F
Espoo 31.7°F 34.5°F
Kotka 31.6°F 33.7°F
Vantaa 31.5°F 34.3°F
Lappeenranta 31.4°F 31.8°F
Helsinki 31.3°F 34.3°F
Vaasa 31.3°F 32.0°F
Porvoo 31.2°F 32.7°F
Pori 30.3°F 33.3°F
Oulu 29.8°F 30.2°F
Kemi 29.5°F 29.9°F

Best time for vacation in Helsinki

Sunniest months:
June 15 days
July 15 days
May 14 days
Warmest months:
July 68.7 °F
August 67.1 °F
June 63.3 °F
Warmest sea temp:
August 63.2 °F
July 61.9 °F
September 58.8 °F
Coldest months:
January 27.9 °F
February 28.4 °F
December 33.7 °F
Rainiest months:
August 5 days
July 4 days
October 4 days
Windiest months:
December 12.7 mph
November 12.0 mph
January 11.7 mph

Helsinki on a weather map

Helsinki
+36°F
NW 6 mph
Feels like: +30°F
Precip.: 61%
Places in Finland:
Name
°F
+41°F
+37°F
+37°F
+34°F
+36°F
+39°F
+37°F
+34°F
+43°F
+32°F
+43°F
+36°F
+36°F
+37°F
+43°F
24 Hours Forecast
Helsinki
Local time: 14:37
March 16, monday
1500
36°F
NW
6 mph
1800
34°F
W
7 mph
2100
34°F
NW
5 mph
March 17, tuesday
0000
34°F
N
5 mph
0300
34°F
NE
5 mph
0600
34°F
NE
4 mph
0900
34°F
NE
6 mph
1200
36°F
NE
7 mph
Units of measurement: °C / °F