Average sea water temperature in January:
+33.1°F
| Minimum sea water temperature in January: | 36.5°F |
| Maximum sea water temperature in January: | 30.9°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 34.3°F. The highest and lowest sea temperatures during the month were 35.2°F and 33.3°F.
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| Koli National Park |
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| Koli National Park |
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Monthly sea water temperature in Koli National Park, °F
Which Finland resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Espoo | 36.0°F | 35.0°F |
| Helsinki | 35.8°F | 34.9°F |
| Vantaa | 35.7°F | 35.1°F |
| Turku | 35.6°F | 33.4°F |
| Imatra | 34.6°F | 33.6°F |
| Kotka | 34.5°F | 33.5°F |
| Koli National Park | 34.3°F | 33.3°F |
| Porvoo | 34.1°F | 32.9°F |
| Savolinna | 34.1°F | 33.4°F |
| Juvaskyla | 34.0°F | 33.0°F |
| Lahti | 33.9°F | 33.1°F |
| Vaasa | 33.6°F | 31.4°F |
| Pori | 33.0°F | 32.9°F |
| Lappeenranta | 32.5°F | 32.1°F |
| Saariselka | 32.1°F | 32.0°F |
| Oulu | 31.7°F | 30.5°F |
| Seinajoki | 30.3°F | 30.7°F |
| Kemi | 29.4°F | 30.1°F |
Best time for vacation in Koli National Park
Koli National Park on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Koli National Park
Local time: 22:07
January 16, friday
0000
16°F
N
8 mph
8 mph
0300
16°F
N
9 mph
9 mph
0600
14°F
N
8 mph
8 mph
0900
16°F
N
8 mph
8 mph
1200
19°F
N
9 mph
9 mph
1500
23°F
N
9 mph
9 mph
1800
23°F
N
12 mph
12 mph
2100
25°F
N
12 mph
12 mph
