World Resorts Finland Helsinki Weather

Helsinki sea water temperature

Current sea water temperature:
+37.4°F
Minimum sea water temperature in December: 43.5°F
Maximum sea water temperature in December: 33.3°F
Average sea water temperature in December: 38.7°F

Sea water temperature for the last 10 days:

December 23 37.4°F December 18 37.8°F
December 22 37.8°F December 17 38.1°F
December 21 37.8°F December 16 38.8°F
December 20 38.1°F December 15 38.3°F
December 19 38.1°F December 14 38.3°F

When is the warmest sea in Helsinki?

Based on the data about daily sea water temperature for the last three years the warmest sea in Helsinki was noticed in August, July and September.

Monthly Sea Temperatures in Helsinki, °F

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 65.3°F. The highest and lowest sea temperatures during the month were 69.1°F and 61.2°F.

Sea water temperature in July, °F

Show year:
2024
2023
2022

The average sea water temperature in July of 2024 was 63.6°F. The highest and lowest sea temperatures during the month were 70.2°F and 57.0°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 61.7°F. The highest and lowest sea temperatures during the month were 64.4°F and 59.0°F.

Best time for vacation in Helsinki

Sunniest months:
July 15 days
June 15 days
May 14 days
Warmest months:
July 68.6 °F
August 67.3 °F
June 63.5 °F
Warmest sea temp:
August 63.1 °F
July 61.8 °F
September 58.8 °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
+36°F
SW 3 mph
Feels like: +32°F
Precip.: 68%
Places in Finland:
Name
°F
+23°F
+32°F
+7°F
+32°F
+32°F
+7°F
+23°F
+18°F
+32°F
+12°F
+34°F
+36°F
+34°F
+19°F
24 Hours Forecast
Helsinki
Local time: 05:38
December 24, tuesday
0600
36°F
SW
3 mph
0900
36°F
S
3 mph
1200
36°F
SE
3 mph
1500
34°F
E
3 mph
1800
34°F
NE
3 mph
2100
36°F
NE
6 mph
December 25, wednesday
0000
34°F
NE
7 mph
0300
36°F
NE
7 mph
Units of measurement: °C / °F