26.04
sun
sun
Day
37°F
S 13 mph
Precip.
77%
77%
Night
32°F
S 9 mph
Precip.
0%
0%
27.04
mon
mon
Day
39°F
SE 17 mph
Precip.
79%
79%
Night
34°F
S 17 mph
Precip.
0%
0%
28.04
tue
tue
Day
39°F
S 17 mph
Precip.
0%
0%
Night
34°F
S 13 mph
Precip.
0%
0%
29.04
wed
wed
Day
37°F
SE 14 mph
Precip.
0%
0%
Night
34°F
SE 3 mph
Precip.
0%
0%
30.04
thu
thu
Day
39°F
N 4 mph
Precip.
0%
0%
Night
36°F
NE 2 mph
Precip.
0%
0%
01.05
fri
fri
Day
48°F
E 7 mph
Precip.
0%
0%
Night
45°F
N 7 mph
Precip.
0%
0%
02.05
sat
sat
Day
46°F
E 11 mph
Precip.
0%
0%
Night
41°F
W 6 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 36.3°F. The highest and lowest sea temperatures during the month were 42.4°F and 31.3°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 39.1°F. The highest and lowest sea temperatures during the month were 51.3°F and 31.3°F.
Air temperature in Oulu, °F
Precipitation total in Oulu, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oulu
Oulu on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Oulu
Local time: 10:53
April 26, sunday
1200
37°F
S
13 mph
13 mph
1500
39°F
S
14 mph
14 mph
1800
39°F
S
15 mph
15 mph
2100
36°F
S
11 mph
11 mph
April 27, monday
0000
32°F
S
9 mph
9 mph
0300
30°F
S
7 mph
7 mph
0600
30°F
S
9 mph
9 mph
0900
36°F
S
12 mph
12 mph
