Current sea water temperature:
+37.0°F
| Minimum sea water temperature in May: | 57.2°F |
| Maximum sea water temperature in May: | 29.8°F |
| Average sea water temperature in May: | 39.3°F |
| more information | |
14 days
forecast
forecast
| Oulu |
monthly
weather
weather
| Oulu |
Sea water temperature for the last 10 days:
| May 16 | 37.0°F | May 11 | 40.5°F |
| May 15 | 37.6°F | May 10 | 40.6°F |
| May 14 | 38.1°F | May 9 | 41.7°F |
| May 13 | 38.7°F | May 8 | 42.4°F |
| May 12 | 39.6°F | May 7 | 39.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Oulu?
Based on the data about daily sea water temperature for the last three years the warmest sea in Oulu was noticed in July, August and September.
Monthly Sea Temperatures in Oulu, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.6°F. The highest and lowest sea temperatures during the month were 75.4°F and 57.7°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 75.4°F and 57.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.6°F. The highest and lowest sea temperatures during the month were 61.2°F and 50.0°F.
current
weather
weather
| Oulu |
weather in
May
May
| Oulu |
Best time for vacation in Oulu
Oulu on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Oulu
Local time: 04:36
May 17, sunday
0600
43°F
NE
14 mph
14 mph
0900
43°F
E
9 mph
9 mph
1200
52°F
E
9 mph
9 mph
1500
48°F
E
8 mph
8 mph
1800
48°F
E
3 mph
3 mph
2100
43°F
E
4 mph
4 mph
May 18, monday
0000
41°F
N
4 mph
4 mph
0300
41°F
N
7 mph
7 mph
