Average sea water temperature in July:
+62.9°F
| Minimum sea water temperature in July: | 76.6°F |
| Maximum sea water temperature in July: | 32.0°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 64.7°F. The highest and lowest sea temperatures during the month were 68.9°F and 61.0°F.
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| Koli National Park |
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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 July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Lappeenranta | 66.6°F | 67.1°F |
| Lahti | 66.2°F | 67.4°F |
| Savolinna | 65.7°F | 66.8°F |
| Juvaskyla | 65.4°F | 66.2°F |
| Imatra | 65.2°F | 66.6°F |
| Oulu | 65.2°F | 67.6°F |
| Kotka | 65.1°F | 64.6°F |
| Vaasa | 64.8°F | 65.6°F |
| Koli National Park | 64.7°F | 65.8°F |
| Kemi | 64.1°F | 65.2°F |
| Seinajoki | 64.0°F | 65.1°F |
| Porvoo | 63.9°F | 64.6°F |
| Turku | 63.6°F | 64.0°F |
| Pori | 63.2°F | 65.0°F |
| Vantaa | 62.7°F | 62.8°F |
| Helsinki | 62.6°F | 63.2°F |
| Espoo | 62.6°F | 63.3°F |
| Saariselka | 57.6°F | 56.3°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: 21:25
September 17, thursday
0000
54°F
N
21 mph
21 mph
0300
54°F
N
17 mph
17 mph
0600
54°F
N
16 mph
16 mph
0900
55°F
NE
12 mph
12 mph
1200
55°F
N
17 mph
17 mph
1500
57°F
NE
17 mph
17 mph
1800
55°F
NE
16 mph
16 mph
2100
54°F
NE
16 mph
16 mph
