World Resorts Finland Oulu Weather

Oulu sea water temperature

Current sea water temperature:
+35.8°F
Minimum sea water temperature in December: 36.5°F
Maximum sea water temperature in December: 28.4°F
Average sea water temperature in December: 31.0°F

Sea water temperature for the last 10 days:

December 5 35.8°F November 30 35.2°F
December 4 35.8°F November 29 33.3°F
December 3 36.5°F November 28 31.6°F
December 2 34.3°F November 27 31.6°F
December 1 32.9°F November 26 34.3°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.

Best time for vacation in Oulu

Sunniest months:
July 13 days
June 11 days
May 10 days
Warmest months:
July 67.1 °F
August 64.0 °F
June 59.8 °F
Warmest sea temp:
July 62.5 °F
August 62.0 °F
September 55.0 °F
Coldest months:
January 18.2 °F
February 21.4 °F
December 24.8 °F
Rainiest months:
August 5 days
July 4 days
June 4 days
Windiest months:
November 9.5 mph
October 9.1 mph
December 9.1 mph

Oulu on a weather map

Oulu
+36°F
N 4 mph
Feels like: +30°F
Precip.: 100%
Places in Finland:
Name
°F
+39°F
+39°F
+32°F
+39°F
+37°F
+37°F
+36°F
+39°F
+18°F
+36°F
+41°F
+39°F
+39°F
+36°F
24 Hours Forecast
Oulu
Local time: 09:38
December 05, friday
1200
36°F
N
5 mph
1500
34°F
N
5 mph
1800
34°F
E
3 mph
2100
32°F
SE
2 mph
December 06, saturday
0000
32°F
SE
2 mph
0300
32°F
S
1 mph
0600
32°F
W
2 mph
0900
34°F
NW
6 mph
Units of measurement: °C / °F