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 55.2°F. The highest and lowest sea temperatures during the month were 59.9°F and 48.7°F.
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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 | 61.4°F | 58.1°F |
| Lahti | 60.8°F | 57.4°F |
| Pori | 60.1°F | 57.4°F |
| Vaasa | 59.5°F | 56.2°F |
| Savolinna | 59.4°F | 56.6°F |
| Turku | 59.1°F | 55.2°F |
| Imatra | 58.7°F | 56.2°F |
| Oulu | 58.6°F | 56.6°F |
| Juvaskyla | 58.3°F | 55.0°F |
| Porvoo | 57.5°F | 56.6°F |
| Seinajoki | 57.4°F | 53.7°F |
| Koli National Park | 56.6°F | 54.7°F |
| Kotka | 56.2°F | 55.3°F |
| Kemi | 56.0°F | 54.0°F |
| Espoo | 55.2°F | 53.5°F |
| Helsinki | 55.2°F | 53.9°F |
| Vantaa | 54.6°F | 53.4°F |
| Saariselka | 45.1°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: 07:28
June 28, sunday
0900
64°F
N
5 mph
5 mph
1200
68°F
N
7 mph
7 mph
1500
70°F
N
6 mph
6 mph
1800
70°F
N
7 mph
7 mph
2100
63°F
NE
11 mph
11 mph
June 29, monday
0000
63°F
NE
7 mph
7 mph
0300
63°F
NE
7 mph
7 mph
0600
63°F
E
7 mph
7 mph
