Average sea water temperature in August:
+63.1°F
| Minimum sea water temperature in August: | 74.7°F |
| Maximum sea water temperature in August: | 55.6°F |
Daily sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 56.8°F.
Monthly sea water temperature in Vantaa, °F
Which Finland resorts have warmest sea in August?
| Place name | August 2025 | August 2024 |
|---|---|---|
| Lappeenranta | 67.9°F | 68.4°F |
| Juvaskyla | 67.7°F | 67.3°F |
| Savolinna | 67.4°F | 68.2°F |
| Lahti | 67.2°F | 67.4°F |
| Imatra | 67.2°F | 67.6°F |
| Koli National Park | 66.6°F | 66.2°F |
| Turku | 66.0°F | 65.2°F |
| Kemi | 65.6°F | 64.5°F |
| Kotka | 65.4°F | 67.4°F |
| Pori | 65.2°F | 66.0°F |
| Oulu | 65.1°F | 63.3°F |
| Porvoo | 64.7°F | 65.5°F |
| Vaasa | 64.5°F | 64.6°F |
| Espoo | 63.9°F | 65.0°F |
| Helsinki | 63.8°F | 65.3°F |
| Vantaa | 63.6°F | 65.3°F |
| Seinajoki | 63.4°F | 63.7°F |
| Saariselka | 62.4°F | 60.2°F |
Best time for vacation in Vantaa
Vantaa on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Vantaa
Local time: 08:46
December 05, friday
0900

39°F
N
4 mph
4 mph
1200

39°F
N
4 mph
4 mph
1500

39°F
N
3 mph
3 mph
1800

39°F
NW
4 mph
4 mph
2100

39°F
NW
5 mph
5 mph
December 06, saturday
0000

39°F
NW
4 mph
4 mph
0300

39°F
NW
5 mph
5 mph
0600

39°F
W
6 mph
6 mph



























