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:
2025
2024
2023
The average sea water temperature in June of 2025 was 53.9°F. The highest and lowest sea temperatures during the month were 55.8°F and 51.8°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 2025 | June 2024 |
|---|---|---|
| Lappeenranta | 58.1°F | 65.3°F |
| Lahti | 57.4°F | 64.9°F |
| Pori | 57.4°F | 61.5°F |
| Oulu | 56.6°F | 62.0°F |
| Porvoo | 56.6°F | 62.4°F |
| Savolinna | 56.6°F | 63.0°F |
| Imatra | 56.2°F | 62.6°F |
| Vaasa | 56.2°F | 60.5°F |
| Kotka | 55.3°F | 61.1°F |
| Turku | 55.2°F | 63.2°F |
| Juvaskyla | 55.0°F | 62.2°F |
| Koli National Park | 54.7°F | 61.5°F |
| Kemi | 54.0°F | 53.7°F |
| Helsinki | 53.9°F | 59.0°F |
| Seinajoki | 53.7°F | 57.6°F |
| Espoo | 53.5°F | 59.2°F |
| Vantaa | 53.4°F | 58.4°F |
| Saariselka | 45.4°F | 45.7°F |
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 16:42
December 17, wednesday
1800
43°F
NE
20 mph
20 mph
2100
43°F
E
19 mph
19 mph
December 18, thursday
0000
39°F
E
15 mph
15 mph
0300
39°F
E
14 mph
14 mph
0600
37°F
E
8 mph
8 mph
0900
36°F
E
7 mph
7 mph
1200
37°F
NE
6 mph
6 mph
1500
37°F
NE
8 mph
8 mph
