World Resorts Finland Helsinki Weather

Helsinki Sea Temperature in July

Average sea water temperature in July:
+61.9°F
Minimum sea water temperature in July: 75.7°F
Maximum sea water temperature in July: 51.6°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 62.6°F. The highest and lowest sea temperatures during the month were 66.9°F and 58.5°F.

Monthly sea water temperature in Helsinki, °F

Which Finland resorts have warmest sea in July?

Place name July 2026 July 2025
Lappeenranta 66.6°F 67.1°F
Lahti 66.2°F 67.4°F
Savolinna 65.7°F 66.8°F
Juvaskyla 65.4°F 66.2°F
Imatra 65.2°F 66.6°F
Oulu 65.2°F 67.6°F
Kotka 65.1°F 64.6°F
Vaasa 64.8°F 65.6°F
Koli National Park 64.7°F 65.8°F
Kemi 64.1°F 65.2°F
Seinajoki 64.0°F 65.1°F
Porvoo 63.9°F 64.6°F
Turku 63.6°F 64.0°F
Pori 63.2°F 65.0°F
Vantaa 62.7°F 62.8°F
Helsinki 62.6°F 63.2°F
Espoo 62.6°F 63.3°F
Saariselka 57.6°F 56.3°F

Best time for vacation in Helsinki

Sunniest months:
July 15 days
June 14 days
May 14 days
Warmest months:
July 68.5 °F
August 67.1 °F
June 63.2 °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
+66°F
E 16 mph
Feels like: +66°F
Precip.: 21%
Places in Finland:
Name
°F
+55°F
+68°F
+55°F
+64°F
+70°F
+64°F
+57°F
+61°F
+59°F
+68°F
+55°F
+64°F
+66°F
+66°F
+59°F
24 Hours Forecast
Helsinki
Local time: 12:37
August 07, friday
1500
66°F
E
15 mph
1800
66°F
E
12 mph
2100
59°F
SE
14 mph
August 08, saturday
0000
55°F
E
11 mph
0300
54°F
E
11 mph
0600
54°F
E
9 mph
0900
61°F
E
7 mph
1200
66°F
E
8 mph
Units of measurement: °C / °F