Average sea water temperature in June:
+52.5°F
| Minimum sea water temperature in June: | 68.5°F |
| Maximum sea water temperature in June: | 36.5°F |
Daily sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 57.3°F. The highest and lowest sea temperatures during the month were 60.6°F and 54.5°F.
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Monthly sea water temperature in Seinajoki, °F
Which Finland resorts have warmest sea in June?
| Place name | June 2026 | June 2025 |
|---|---|---|
| Lappeenranta | 61.3°F | 58.1°F |
| Lahti | 60.7°F | 57.4°F |
| Pori | 59.9°F | 57.4°F |
| Vaasa | 59.4°F | 56.2°F |
| Savolinna | 59.3°F | 56.6°F |
| Turku | 58.8°F | 55.2°F |
| Imatra | 58.6°F | 56.2°F |
| Oulu | 58.5°F | 56.6°F |
| Juvaskyla | 58.2°F | 55.0°F |
| Porvoo | 57.4°F | 56.6°F |
| Seinajoki | 57.3°F | 53.7°F |
| Koli National Park | 56.5°F | 54.7°F |
| Kotka | 56.0°F | 55.3°F |
| Kemi | 55.8°F | 54.0°F |
| Espoo | 55.1°F | 53.5°F |
| Helsinki | 55.0°F | 53.9°F |
| Vantaa | 54.4°F | 53.4°F |
| Saariselka | 44.9°F | 45.4°F |
Best time for vacation in Seinajoki
Seinajoki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Seinajoki
Local time: 05:58
June 27, saturday
0600
54°F
E
2 mph
2 mph
0900
61°F
E
6 mph
6 mph
1200
70°F
E
8 mph
8 mph
1500
72°F
SE
9 mph
9 mph
1800
72°F
SE
8 mph
8 mph
2100
64°F
SE
2 mph
2 mph
June 28, sunday
0000
55°F
W
2 mph
2 mph
0300
54°F
NW
5 mph
5 mph
