World Resorts Finland Helsinki Weather

Helsinki Sea Temperature in May

Average sea water temperature in May:
+44.8°F
Minimum sea water temperature in May: 59.5°F
Maximum sea water temperature in May: 37.2°F

Daily sea water temperature in May, °F

Show year:
2023
2022
2021

The average sea water temperature in May of 2023 was 44.6°F. The highest and lowest sea temperatures during the month were 51.1°F and 38.7°F.

Monthly sea water temperature in Helsinki, °F

Which Finland resorts have warmest sea in May?

Place name May 2023 May 2022
Lahti 48.6°F 45.5°F
Lappeenranta 47.5°F 44.1°F
Pori 46.5°F 47.1°F
Porvoo 46.4°F 44.0°F
Turku 44.8°F 45.1°F
Helsinki 44.6°F 43.8°F
Kotka 44.3°F 43.0°F
Vantaa 44.2°F 43.4°F
Vaasa 44.0°F 46.3°F
Imatra 43.9°F 41.0°F
Espoo 43.6°F 43.6°F
Savolinna 43.0°F 40.5°F
Juvaskyla 42.6°F 42.1°F
Seinajoki 41.8°F 44.3°F
Oulu 39.1°F 37.3°F
Saariselka 38.0°F 38.0°F
Koli National Park 37.9°F 38.4°F
Kemi 34.1°F 34.8°F

Best time for vacation in Helsinki

Sunniest months:
July 16 days
June 15 days
May 14 days
Warmest months:
July 68.7 °F
August 67.2 °F
June 63.5 °F
Warmest sea temp:
August 62.9 °F
July 61.7 °F
September 58.5 °F
Coldest months:
January 28.1 °F
February 29.0 °F
December 33.4 °F
Rainiest months:
August 5 days
September 4 days
July 4 days
Windiest months:
December 12.8 mph
November 12.0 mph
January 11.7 mph

Helsinki on a weather map

Helsinki
+37°F
E 6 mph
Feels like: +34°F
Precip.: 0%
Places in Finland:
Name
°F
+32°F
+37°F
+43°F
+32°F
+39°F
+41°F
+37°F
+32°F
+34°F
+27°F
+36°F
+37°F
+37°F
+37°F
24 Hours Forecast
Helsinki
Local time: 04:47
April 28, sunday
0600
37°F
E
6 mph
0900
45°F
E
7 mph
1200
48°F
NE
8 mph
1500
48°F
NE
5 mph
1800
46°F
NW
6 mph
2100
41°F
NW
6 mph
April 29, monday
0000
41°F
NW
5 mph
0300
41°F
N
4 mph
Units of measurement: °C / °F