Current sea water temperature:
+31.1°F
| Minimum sea water temperature in February: | 37.2°F |
| Maximum sea water temperature in February: | 28.8°F |
| Average sea water temperature in February: | 32.1°F |
| more information | |
14 days
forecast
forecast
| Helsinki |
monthly
weather
weather
| Helsinki |
Sea water temperature for the last 10 days:
| February 2 | 31.1°F | January 28 | 32.4°F |
| February 1 | 31.5°F | January 27 | 32.5°F |
| January 31 | 31.6°F | January 26 | 32.5°F |
| January 30 | 31.6°F | January 25 | 32.7°F |
| January 29 | 32.2°F | January 24 | 32.9°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 73.9°F and 56.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 74.5°F and 54.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 63.3°F and 54.0°F.
current
weather
weather
| Helsinki |
weather in
February
February
| Helsinki |
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 09:29
February 02, monday
1200
10°F
S
9 mph
9 mph
1500
14°F
S
11 mph
11 mph
1800
10°F
S
11 mph
11 mph
2100
9°F
S
11 mph
11 mph
February 03, tuesday
0000
7°F
S
10 mph
10 mph
0300
5°F
S
9 mph
9 mph
0600
3°F
S
9 mph
9 mph
0900
3°F
S
8 mph
8 mph
