Average sea water temperature in June:
+52.6°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:
2026
2025
2024
The average sea water temperature in June of 2026 was 56.6°F. The highest and lowest sea temperatures during the month were 61.0°F and 47.5°F.
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| Koli National Park |
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| Koli National Park |
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| Koli National Park |
14 days
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| Koli National Park |
Monthly sea water temperature in Koli National Park, °F
Which Finland resorts have warmest sea in June?
| Place name | June 2026 | June 2025 |
|---|---|---|
| Lappeenranta | 61.4°F | 58.1°F |
| Lahti | 60.8°F | 57.4°F |
| Pori | 60.1°F | 57.4°F |
| Vaasa | 59.5°F | 56.2°F |
| Savolinna | 59.4°F | 56.6°F |
| Turku | 59.1°F | 55.2°F |
| Imatra | 58.7°F | 56.2°F |
| Oulu | 58.6°F | 56.6°F |
| Juvaskyla | 58.3°F | 55.0°F |
| Porvoo | 57.5°F | 56.6°F |
| Seinajoki | 57.4°F | 53.7°F |
| Koli National Park | 56.6°F | 54.7°F |
| Kotka | 56.2°F | 55.3°F |
| Kemi | 56.0°F | 54.0°F |
| Espoo | 55.2°F | 53.5°F |
| Helsinki | 55.2°F | 53.9°F |
| Vantaa | 54.6°F | 53.4°F |
| Saariselka | 45.1°F | 45.4°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: 06:38
June 28, sunday
0900
59°F
NW
2 mph
2 mph
1200
63°F
NE
4 mph
4 mph
1500
61°F
E
2 mph
2 mph
1800
59°F
W
6 mph
6 mph
2100
57°F
NW
11 mph
11 mph
June 29, monday
0000
57°F
NW
12 mph
12 mph
0300
55°F
NW
7 mph
7 mph
0600
57°F
NW
5 mph
5 mph
