Measurements:
°C
°F
Oulu
76°F
N 9 mph
Feels like: 80°F
Precip: 2%
World Resorts Finland Oulu Weather

Oulu Sea Water Temperature

Current Sea Water Temperature:
+63.4°F
Maximum Sea Water Temperature in July: 78.2°F
Minimum Sea Water Temperature in July: 36.0°F
Average water temperature in July: 64.1°F

Sea Water Temperature for the Last 10 Days:

July 30 63.4°F July 25 65.2°F
July 29 63.2°F July 24 66.4°F
July 28 63.4°F July 23 66.2°F
July 27 63.6°F July 22 67.0°F
July 26 64.4°F July 21 67.6°F

When is the Warmest Sea for Oulu?

According to our data for the last three years for Oulu the highest average sea water temperature was in July, August and June.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Oulu was 66.9°F. The maximum and minimum values were 63.2°F and 70.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Oulu was 66.7°F. The maximum and minimum values were 58.4°F and 78.2°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Oulu was 60.2°F. The maximum and minimum values were 52.2°F and 66.2°F respectively.

Best Time to Visit Oulu
The most sunny months:
July 12 days
June 11 days
May 10 days
The most warm months:
July 68.6 °F
August 65.6 °F
June 60.8 °F
Warmest sea temperature:
July 64.1 °F
August 63.4 °F
June 55.7 °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 3 days
The most windy months:
November 9 mph
October 9 mph
December 9 mph

Oulu on the Weather Map

Finland Resorts:
NAME
Espoo +76
Helsinki +72
Juvaskyla +80
Kemi +66
Kotka +68
Lahti +80
Lappeenranta +78
Oulu +76
Pori +76
Saariselka +70
Savolinna +76
Seinajoki +80
Turku +74
Vaasa +72
Vantaa +76
24 Hours Weather Forecast
Oulu
Local time: 13:49
30 jul, thursday
1500 76°F
N
9 mph
1800 76°F
N
9 mph
2100 66°F
N
6 mph
31 jul, friday
0000 64°F
NW
10 mph
0300 62°F
N
9 mph
0600 62°F
NW
10 mph
0900 68°F
N
9 mph
1200 76°F
N
11 mph