Average sea water temperature in June:
+52.4°F
| Minimum sea water temperature in June: | 69.1°F |
| Maximum sea water temperature in June: | 32.0°F |
Daily sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 54.7°F. The highest and lowest sea temperatures during the month were 58.5°F and 47.7°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 June?
| Place name | June 2025 | June 2024 |
|---|---|---|
| Lappeenranta | 58.1°F | 65.3°F |
| Lahti | 57.4°F | 64.9°F |
| Pori | 57.4°F | 61.5°F |
| Oulu | 56.6°F | 62.0°F |
| Porvoo | 56.6°F | 62.4°F |
| Savolinna | 56.6°F | 63.0°F |
| Imatra | 56.2°F | 62.6°F |
| Vaasa | 56.2°F | 60.5°F |
| Kotka | 55.3°F | 61.1°F |
| Turku | 55.2°F | 63.2°F |
| Juvaskyla | 55.0°F | 62.2°F |
| Koli National Park | 54.7°F | 61.5°F |
| Kemi | 54.0°F | 53.7°F |
| Helsinki | 53.9°F | 59.0°F |
| Seinajoki | 53.7°F | 57.6°F |
| Espoo | 53.5°F | 59.2°F |
| Vantaa | 53.4°F | 58.4°F |
| Saariselka | 45.4°F | 45.7°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: 21:14
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
