Average sea water temperature in June:
+52.7°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 57.2°F. The highest and lowest sea temperatures during the month were 62.1°F and 47.5°F.
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| Koli National Park |
monthly
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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 | 61.6°F | 58.1°F |
| Lahti | 61.3°F | 57.4°F |
| Pori | 60.4°F | 57.4°F |
| Vaasa | 59.9°F | 56.2°F |
| Savolinna | 59.8°F | 56.6°F |
| Turku | 59.5°F | 55.2°F |
| Oulu | 59.1°F | 56.6°F |
| Imatra | 59.1°F | 56.2°F |
| Juvaskyla | 58.7°F | 55.0°F |
| Porvoo | 57.9°F | 56.6°F |
| Seinajoki | 57.8°F | 53.7°F |
| Koli National Park | 57.2°F | 54.7°F |
| Kotka | 56.7°F | 55.3°F |
| Kemi | 56.6°F | 54.0°F |
| Espoo | 55.8°F | 53.5°F |
| Helsinki | 55.7°F | 53.9°F |
| Vantaa | 55.1°F | 53.4°F |
| Saariselka | 45.7°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: 04:28
October 12, monday
0600
34°F
W
11 mph
11 mph
0900
36°F
W
13 mph
13 mph
1200
39°F
W
14 mph
14 mph
1500
41°F
W
13 mph
13 mph
1800
37°F
W
14 mph
14 mph
2100
36°F
SW
14 mph
14 mph
October 13, tuesday
0000
34°F
SW
14 mph
14 mph
0300
34°F
SW
14 mph
14 mph
