Measurements:
°C
°F
Helsinki
30°F
NE 17 mph
Feels like: 16°F
Precip: 100%
World Resorts Finland Helsinki Weather

Helsinki Sea Water Temperature

Current Sea Water Temperature:
+41.2°F
Maximum Sea Water Temperature in November: 48.6°F
Minimum Sea Water Temperature in November: 37.6°F
Average water temperature in November: 43.6°F

Sea Water Temperature for the Last 10 Days:

November 21 41.2°F November 16 41.4°F
November 20 41.6°F November 15 42.8°F
November 19 41.6°F November 08 44.2°F
November 18 42.4°F November 07 44.2°F
November 17 43.2°F November 06 43.8°F

When is the Warmest Sea for Helsinki?

According to our data for the last three years for Helsinki the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Helsinki was 67.0°F. The maximum and minimum values were 62.4°F and 71.2°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022

The average sea surface temperature in July 2024 for Helsinki was 65.1°F. The maximum and minimum values were 57.8°F and 72.4°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Helsinki was 63.0°F. The maximum and minimum values were 60.0°F and 66.0°F respectively.

Best Time to Visit Helsinki
The most sunny months:
July 15 days
June 15 days
May 14 days
The most warm months:
July 70.7 °F
August 69.2 °F
June 65.0 °F
Warmest sea temperature:
August 64.6 °F
July 63.1 °F
September 59.7 °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

Helsinki on the Weather Map

Finland Resorts:
NAME
Espoo +28
Helsinki +30
Imatra +30
Juvaskyla +24
Kemi +22
Koli National Park +24
Kotka +32
Lahti +26
Lappeenranta +28
Oulu +26
Pori +32
Saariselka +16
Turku +28
Vaasa +26
Vantaa +28
24 Hours Weather Forecast
Helsinki
Local time: 06:32
22 nov, friday
0900 30°F
NE
15 mph
1200 30°F
NE
15 mph
1500 28°F
NE
17 mph
1800 28°F
E
15 mph
2100 28°F
E
14 mph
23 nov, saturday
0000 28°F
E
12 mph
0300 26°F
E
11 mph
0600 28°F
E
11 mph