Average sea water temperature in June:
+55.0°F
| Minimum sea water temperature in June: | 71.1°F |
| Maximum sea water temperature in June: | 45.0°F |
Daily sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 55.7°F. The highest and lowest sea temperatures during the month were 61.3°F and 48.7°F.
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| Helsinki |
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Monthly sea water temperature in Helsinki, °F
Which Finland resorts have warmest sea in June?
| Place name | June 2026 | June 2025 |
|---|---|---|
| Lappeenranta | 61.6°F | 58.1°F |
| Lahti | 61.3°F | 57.4°F |
| Pori | 60.4°F | 57.4°F |
| Vaasa | 59.9°F | 56.2°F |
| Savolinna | 59.8°F | 56.6°F |
| Turku | 59.5°F | 55.2°F |
| Oulu | 59.1°F | 56.6°F |
| Imatra | 59.1°F | 56.2°F |
| Juvaskyla | 58.7°F | 55.0°F |
| Porvoo | 57.9°F | 56.6°F |
| Seinajoki | 57.8°F | 53.7°F |
| Koli National Park | 57.2°F | 54.7°F |
| Kotka | 56.7°F | 55.3°F |
| Kemi | 56.6°F | 54.0°F |
| Espoo | 55.8°F | 53.5°F |
| Helsinki | 55.7°F | 53.9°F |
| Vantaa | 55.1°F | 53.4°F |
| Saariselka | 45.7°F | 45.4°F |
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 11:08
July 18, saturday
1200
70°F
N
11 mph
11 mph
1500
70°F
NW
9 mph
9 mph
1800
72°F
NW
11 mph
11 mph
2100
66°F
N
11 mph
11 mph
July 19, sunday
0000
64°F
N
22 mph
22 mph
0300
63°F
N
23 mph
23 mph
0600
61°F
NE
25 mph
25 mph
0900
61°F
E
19 mph
19 mph
