Weather in Oulu: April
 |
Average day temperature: | 37.2°F |
| Average night temperature: | 29.2°F | |
 |
Sea water temperature: | 31.6°F |
 |
Number of sunny days: | 5 days |
| Day length: | 13.6 - 17.0 hours | |
 |
Number of days with precipitation: | 2 days |
| Precipitation totals: | 1.3 in. | |
| more information | ||
forecast
| Oulu |
temperature
| Oulu |
Air temperature in April, °F
The highest day temperature during April of 2026 was 50°F. At the same time the lowest night temperature was 27°F. Daily and nightly averages during April were 40.2°F and 31.9°F.
Sea water temperature in Oulu in April, °F
The average sea water temperature in April of 2026 was 36.7°F. The highest and lowest sea temperatures during the month were 42.4°F and 31.3°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Oulu in April is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in April is 7.6 mph It makes April one of the least windy months of the year.
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 April is: 5.8.
Best time for vacation in Oulu
Oulu on a weather map
14 mph
9 mph
9 mph
8 mph
3 mph
4 mph
4 mph
7 mph
