Average sea water temperature in May:
+38.6°F
| Minimum sea water temperature in May: | 59.2°F |
| Maximum sea water temperature in May: | 32.0°F |
Daily sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 39.1°F. The highest and lowest sea temperatures during the month were 48.6°F and 32.5°F.
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| Koli National Park |
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| Koli National Park |
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| Koli National Park |
Monthly sea water temperature in Koli National Park, °F
Which Finland resorts have warmest sea in May?
| Place name | May 2025 | May 2024 |
|---|---|---|
| Lahti | 47.5°F | 49.8°F |
| Vaasa | 47.1°F | 45.3°F |
| Porvoo | 47.1°F | 48.2°F |
| Pori | 46.9°F | 44.8°F |
| Lappeenranta | 46.3°F | 50.3°F |
| Helsinki | 46.3°F | 46.4°F |
| Espoo | 46.2°F | 46.8°F |
| Vantaa | 46.0°F | 46.4°F |
| Turku | 45.7°F | 48.4°F |
| Kotka | 45.7°F | 48.1°F |
| Seinajoki | 45.2°F | 43.4°F |
| Juvaskyla | 43.8°F | 45.6°F |
| Savolinna | 43.1°F | 42.4°F |
| Imatra | 43.1°F | 45.3°F |
| Oulu | 39.1°F | 40.6°F |
| Koli National Park | 39.1°F | 40.8°F |
| Saariselka | 38.1°F | 38.1°F |
| Kemi | 37.6°F | 35.1°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: 11:08
December 05, friday
1200
36°F
NE
7 mph
7 mph
1500
34°F
NE
6 mph
6 mph
1800
36°F
NE
7 mph
7 mph
2100
36°F
E
6 mph
6 mph
December 06, saturday
0000
36°F
E
5 mph
5 mph
0300
34°F
SE
2 mph
2 mph
0600
34°F
SW
2 mph
2 mph
0900
34°F
W
4 mph
4 mph
