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Oulu weather in August

Weather in Oulu: August

Average day temperature: 64.0°F
Average night temperature: 53.8°F
Sea water temperature: 62.0°F
Number of sunny days: 10 days
Day length: 14.8 - 18.3 hours
Number of rainy days: 5 days
Precipitation totals: 2.6 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 80°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during August were 62.5°F and 54.0°F.

Sea water temperature in Oulu 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.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Oulu in August is 3.1 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.3.

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: 09:31
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