17.05
sun
sun
Day

52°F
E 9 mph
Precip.
0%
0%
Night

41°F
N 4 mph
Precip.
0%
0%
18.05
mon
mon
Day

50°F
E 11 mph
Precip.
0%
0%
Night

46°F
SW 6 mph
Precip.
0%
0%
19.05
tue
tue
Day

55°F
NW 11 mph
Precip.
0%
0%
Night

50°F
W 17 mph
Precip.
0%
0%
20.05
wed
wed
Day

61°F
NW 13 mph
Precip.
100%
100%
Night

50°F
N 12 mph
Precip.
100%
100%
21.05
thu
thu
Day

55°F
NE 7 mph
Precip.
0%
0%
Night

43°F
E 2 mph
Precip.
82%
82%
22.05
fri
fri
Day

50°F
NE 3 mph
Precip.
79%
79%
Night

41°F
E 4 mph
Precip.
82%
82%
23.05
sat
sat
Day

46°F
E 11 mph
Precip.
0%
0%
Night

41°F
SE 7 mph
Precip.
71%
71%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 39.8°F. The highest and lowest sea temperatures during the month were 43.0°F and 37.0°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: 04:35
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






























