Average sea water temperature in August:
+62.0°F
| Minimum sea water temperature in August: | 71.2°F |
| Maximum sea water temperature in August: | 46.6°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 58.5°F.
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| Seinajoki |
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Monthly sea water temperature in Seinajoki, °F
Which Finland resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Lappeenranta | 67.9°F | 68.4°F |
| Juvaskyla | 67.7°F | 67.3°F |
| Savolinna | 67.4°F | 68.2°F |
| Lahti | 67.2°F | 67.4°F |
| Imatra | 67.2°F | 67.6°F |
| Koli National Park | 66.6°F | 66.2°F |
| Turku | 66.0°F | 65.2°F |
| Kemi | 65.6°F | 64.5°F |
| Kotka | 65.4°F | 67.4°F |
| Pori | 65.2°F | 66.0°F |
| Oulu | 65.1°F | 63.3°F |
| Porvoo | 64.7°F | 65.5°F |
| Vaasa | 64.5°F | 64.6°F |
| Espoo | 63.9°F | 65.0°F |
| Helsinki | 63.8°F | 65.3°F |
| Vantaa | 63.6°F | 65.3°F |
| Seinajoki | 63.4°F | 63.7°F |
| Saariselka | 62.4°F | 60.2°F |
Best time for vacation in Seinajoki
Seinajoki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Seinajoki
Local time: 01:03
February 04, wednesday
0300
0°F
NE
2 mph
2 mph
0600
0°F
NE
2 mph
2 mph
0900
0°F
NE
2 mph
2 mph
1200
14°F
E
2 mph
2 mph
1500
14°F
NE
2 mph
2 mph
1800
5°F
NE
4 mph
4 mph
2100
3°F
NE
4 mph
4 mph
February 05, thursday
0000
5°F
N
4 mph
4 mph
