Measurements:
°C
°F
CURRENT WEATHER
11:16
Oulu
58°F
E 3 mph
Feels like: 58°F
Precip: 0%
World Resorts Finland Oulu Weather

7 Day Weather Forecast

05.30
sat
DAY
58°F
E 3 mph
precip
0%
NIGHT
52°F
SW 6 mph
precip
0%
05.31
sun
DAY
60°F
N 2 mph
precip
0%
NIGHT
54°F
NW 10 mph
precip
86%
06.01
mon
DAY
50°F
SE 6 mph
precip
0%
NIGHT
46°F
S 5 mph
precip
100%
06.02
tue
DAY
50°F
SE 6 mph
precip
0%
NIGHT
48°F
S 6 mph
precip
0%
06.03
wed
DAY
60°F
SW 6 mph
precip
100%
NIGHT
50°F
W 8 mph
precip
0%
06.04
thu
DAY
64°F
SW 2 mph
precip
0%
NIGHT
58°F
NW 7 mph
precip
0%
06.05
fri
DAY
68°F
NW 10 mph
precip
0%
NIGHT
60°F
W 8 mph
precip
0%

Oulu Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Oulu was 4.9°F. The maximum and minimum values were 2.6°F and 10.6°F respectively.

Oulu on the Weather Map

Best Time to Visit Oulu
The most sunny months:
July 13 days
June 11 days
May 10 days
The most warm months:
July 69.0 °F
August 65.6 °F
June 60.9 °F
Warmest sea temperature:
July 63.9 °F
August 63.4 °F
September 55.6 °F
The most cold months:
January 14.1 °F
February 17.5 °F
December 22.2 °F
The most rainy months:
August 5 days
July 4 days
June 4 days
The most windy months:
November 9 mph
October 9 mph
December 9 mph
more details