Current sea water temperature:
+33.3°F
| Minimum sea water temperature in April: | 37.8°F |
| Maximum sea water temperature in April: | 28.9°F |
| Average sea water temperature in April: | 31.2°F |
| more information | |
14 days
forecast
forecast
| Oulu |
monthly
weather
weather
| Oulu |
Sea water temperature for the last 10 days:
| April 5 | 33.3°F | March 31 | 31.8°F |
| April 4 | 31.3°F | March 30 | 32.7°F |
| April 3 | 32.0°F | March 29 | 29.8°F |
| April 2 | 31.8°F | March 28 | 30.4°F |
| April 1 | 32.9°F | March 27 | 31.8°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
April
April
| Oulu |
Best time for vacation in Oulu
Oulu on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Oulu
Local time: 21:01
April 06, monday
0000

37°F
W
11 mph
11 mph
0300

36°F
W
14 mph
14 mph
0600

34°F
W
13 mph
13 mph
0900

34°F
W
11 mph
11 mph
1200

36°F
W
8 mph
8 mph
1500

39°F
W
8 mph
8 mph
1800

37°F
W
9 mph
9 mph
2100

36°F
SW
7 mph
7 mph

























