Average sea water temperature in July:
+61.9°F
| Minimum sea water temperature in July: | 75.7°F |
| Maximum sea water temperature in July: | 51.6°F |
Daily sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 61.0°F. The highest and lowest sea temperatures during the month were 64.9°F and 58.5°F.
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| Helsinki |
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Monthly sea water temperature in Helsinki, °F
Which Finland resorts have warmest sea in July?
| Place name | July 2026 | July 2025 |
|---|---|---|
| Lappeenranta | 66.3°F | 67.1°F |
| Oulu | 66.0°F | 67.6°F |
| Lahti | 65.9°F | 67.4°F |
| Vaasa | 65.3°F | 65.6°F |
| Savolinna | 65.1°F | 66.8°F |
| Imatra | 65.1°F | 66.6°F |
| Juvaskyla | 64.7°F | 66.2°F |
| Kemi | 64.6°F | 65.2°F |
| Turku | 64.4°F | 64.0°F |
| Kotka | 64.2°F | 64.6°F |
| Koli National Park | 64.2°F | 65.8°F |
| Seinajoki | 63.9°F | 65.1°F |
| Pori | 63.5°F | 65.0°F |
| Porvoo | 62.8°F | 64.6°F |
| Espoo | 61.1°F | 63.3°F |
| Vantaa | 61.1°F | 62.8°F |
| Helsinki | 61.0°F | 63.2°F |
| Saariselka | 56.8°F | 56.3°F |
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 10:17
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
