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: 29.1°F

Daily sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 34.3°F. The highest and lowest sea temperatures during the month were 36.7°F and 32.4°F.

Monthly sea water temperature in Helsinki, °F

Which Finland resorts have warmest sea in March?

Place name March 2025 March 2024
Espoo 34.5°F 31.5°F
Vantaa 34.3°F 31.5°F
Helsinki 34.3°F 31.5°F
Kotka 33.7°F 30.6°F
Turku 33.4°F 30.6°F
Pori 33.3°F 31.6°F
Porvoo 32.7°F 30.5°F
Lahti 32.6°F 32.0°F
Savolinna 32.3°F 32.0°F
Juvaskyla 32.1°F 32.0°F
Koli National Park 32.0°F 32.0°F
Imatra 32.0°F 32.0°F
Saariselka 32.0°F 32.0°F
Vaasa 32.0°F 31.1°F
Seinajoki 31.9°F 30.5°F
Lappeenranta 31.8°F 30.8°F
Oulu 30.2°F 29.1°F
Kemi 29.9°F 28.8°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 28.4 °F
February 29.1 °F
December 33.5 °F
Rainiest months:
August 5 days
July 4 days
October 4 days
Windiest months:
December 12.7 mph
November 12.0 mph
January 11.8 mph

Helsinki on a weather map

Helsinki
+39°F
N 6 mph
Feels like: +36°F
Precip.: 0%
Places in Finland:
Name
°F
+39°F
+39°F
+32°F
+41°F
+37°F
+37°F
+36°F
+39°F
+18°F
+37°F
+41°F
+39°F
+39°F
+36°F
24 Hours Forecast
Helsinki
Local time: 11:03
December 05, friday
1200
39°F
N
6 mph
1500
39°F
N
5 mph
1800
39°F
NW
6 mph
2100
41°F
NW
6 mph
December 06, saturday
0000
41°F
NW
6 mph
0300
41°F
NW
7 mph
0600
39°F
W
9 mph
0900
41°F
W
11 mph
Units of measurement: °C / °F