Average sea water temperature in January:
+34.1°F
| Minimum sea water temperature in January: | 39.6°F |
| Maximum sea water temperature in January: | 29.1°F |
Daily sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 34.9°F. The highest and lowest sea temperatures during the month were 36.9°F and 33.6°F.
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Monthly sea water temperature in Helsinki, °F
Which Finland resorts have warmest sea in January?
| Place name | January 2025 | January 2024 |
|---|---|---|
| Vantaa | 35.1°F | 32.3°F |
| Espoo | 35.0°F | 32.6°F |
| Helsinki | 34.9°F | 32.4°F |
| Imatra | 33.6°F | 33.7°F |
| Kotka | 33.5°F | 31.7°F |
| Savolinna | 33.4°F | 33.6°F |
| Turku | 33.4°F | 31.4°F |
| Koli National Park | 33.3°F | 33.4°F |
| Lahti | 33.1°F | 32.5°F |
| Juvaskyla | 33.0°F | 32.9°F |
| Pori | 32.9°F | 32.5°F |
| Porvoo | 32.9°F | 31.6°F |
| Lappeenranta | 32.1°F | 31.1°F |
| Saariselka | 32.0°F | 32.0°F |
| Vaasa | 31.4°F | 30.3°F |
| Seinajoki | 30.7°F | 29.5°F |
| Oulu | 30.5°F | 29.2°F |
| Kemi | 30.1°F | 29.2°F |
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 21:05
December 18, thursday
0000
39°F
E
15 mph
15 mph
0300
39°F
E
14 mph
14 mph
0600
37°F
E
8 mph
8 mph
0900
36°F
E
7 mph
7 mph
1200
37°F
NE
6 mph
6 mph
1500
37°F
NE
8 mph
8 mph
1800
39°F
N
10 mph
10 mph
2100
39°F
NE
13 mph
13 mph
