Average sea water temperature in July:
+63.3°F
| Minimum sea water temperature in July: | 76.5°F |
| Maximum sea water temperature in July: | 53.4°F |
Daily sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 64.6°F. The highest and lowest sea temperatures during the month were 76.1°F and 56.1°F.
Monthly sea water temperature in Kotka, °F
Which Finland resorts have warmest sea in July?
| Place name | July 2025 | July 2024 |
|---|---|---|
| Oulu | 67.6°F | 65.5°F |
| Lahti | 67.4°F | 67.9°F |
| Lappeenranta | 67.1°F | 69.3°F |
| Savolinna | 66.8°F | 68.0°F |
| Imatra | 66.6°F | 66.8°F |
| Juvaskyla | 66.2°F | 68.8°F |
| Koli National Park | 65.8°F | 67.1°F |
| Vaasa | 65.6°F | 66.1°F |
| Kemi | 65.2°F | 65.4°F |
| Seinajoki | 65.1°F | 64.1°F |
| Pori | 65.0°F | 66.0°F |
| Kotka | 64.6°F | 66.4°F |
| Porvoo | 64.6°F | 66.1°F |
| Turku | 64.0°F | 65.7°F |
| Espoo | 63.3°F | 63.6°F |
| Helsinki | 63.2°F | 63.6°F |
| Vantaa | 62.8°F | 63.2°F |
| Saariselka | 56.3°F | 57.4°F |
Best time for vacation in Kotka
Kotka on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 19:31
December 23, tuesday
2100
25°F
SE
14 mph
14 mph
December 24, wednesday
0000
27°F
E
16 mph
16 mph
0300
27°F
SE
17 mph
17 mph
0600
28°F
SE
16 mph
16 mph
0900
28°F
SE
14 mph
14 mph
1200
30°F
SE
12 mph
12 mph
1500
30°F
SE
11 mph
11 mph
1800
30°F
SE
9 mph
9 mph
