Average sea water temperature in October:
+43.4°F
| Minimum sea water temperature in October: | 52.3°F |
| Maximum sea water temperature in October: | 35.2°F |
Daily sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 47.5°F. The highest and lowest sea temperatures during the month were 52.0°F and 43.3°F.
Monthly sea water temperature in Oulu, °F
Which Finland resorts have warmest sea in October?
| Place name | October 2026 | October 2025 |
|---|---|---|
| Kotka | 54.4°F | 51.4°F |
| Vantaa | 53.9°F | 50.7°F |
| Helsinki | 53.8°F | 50.5°F |
| Espoo | 53.5°F | 50.5°F |
| Turku | 53.5°F | 52.0°F |
| Lahti | 53.5°F | 51.3°F |
| Savolinna | 52.3°F | 50.3°F |
| Juvaskyla | 52.3°F | 50.8°F |
| Porvoo | 52.1°F | 48.9°F |
| Lappeenranta | 51.8°F | 49.3°F |
| Pori | 51.8°F | 48.1°F |
| Imatra | 51.7°F | 49.5°F |
| Koli National Park | 51.7°F | 48.8°F |
| Vaasa | 49.4°F | 46.2°F |
| Seinajoki | 49.3°F | 46.0°F |
| Kemi | 47.6°F | 45.4°F |
| Oulu | 47.5°F | 44.9°F |
| Saariselka | 47.3°F | 45.7°F |
Best time for vacation in Oulu
Oulu on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Oulu
Local time: 15:14
October 20, tuesday
1800
43°F
N
7 mph
7 mph
2100
39°F
N
8 mph
8 mph
October 21, wednesday
0000
37°F
N
8 mph
8 mph
0300
36°F
N
7 mph
7 mph
0600
34°F
N
8 mph
8 mph
0900
34°F
NW
8 mph
8 mph
1200
39°F
NW
9 mph
9 mph
1500
43°F
NW
9 mph
9 mph
