Weather in Oulu in April 2025
Average weather
Average temperature in Oulu in April
The expected average maximum temperature in April is +5°C with a maximum of +11°C and a minimum of -16°C.
The average maximum temperature goes up 15% by the end of the month, compared with the beginning of the month, from +1°C to +5°C.
Is Oulu warm or cold in April?
Oulu is typically cool in April.
Maximum temperatures go up compared to the previous month from -2°C to +4°C. The minimum temperature also goes up from -8°C to -3°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how April is compared to other months in Oulu:
Water temperature in Oulu in April
Water in Oulu in April is Cold. It varies from -2°C to +1°C, with an average of 0°C. This is almost similar to the air temperature, which averages +4°C.
In April, water temperatures are average relative to the rest of the year:
Can you swim in Oulu in April?
Climate in Oulu in April
| March | April | May | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| -2°C | +4°C | +11°C | ||||
| Min. temperature | ||||||
| -28°C | -18°C | -7°C | ||||
| Max. temperature | ||||||
| +11°C | +18°C | +30°C | ||||
| Rainfall | ||||||
| 4 mm | 14 mm | 45 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| 0°C | 0°C | +3°C | ||||
| Humidity | ||||||
| 82% | 76% | 71% | ||||
| Air pressure | ||||||
| 1009 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 6 | 7 | 8 | ||||
| Cloudy days | ||||||
| 12 | 12 | 9 | ||||
| Rainy days | ||||||
| 1 | 4 | 12 | ||||
| Snowy days | ||||||
| 12 | 8 | 2 | ||||
April weather is still as ok as in March. It’s getting warmer as April arrives. The average maximum temperature goes up from -2°C to +4°C during the day. Prepare for more rain. Average rainfall goes from 4 mm to 14 mm. It feels drier, as humidity decreases from 82% to 76%. The average wind speed doesn’t change much during April, staying around 3 m/s. The good news is there are likely to be more sunny days in April, from 6 to 7.
But maybe it is worth considering traveling in May as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Oulu is gradually decreasing during April, going from 4 m/s to 3 m/s over the course of the month.
Rain
Snow
Here’s how April is compared with other months in the amount of snow, total mm:
How was the weather last April in Oulu?
Climate Change over Years
The climate in Oulu in April has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+3°C) and the highest in 2020 (+8°C). The driest year was 2002 with only 247 mm of rainfall, and the wettest year was 2021 with 603 mm.
FAQ
Is April a good time to visit Oulu?
Can you sunbathe in Oulu in April?
Can you swim in Oulu in April?
Is Oulu rainy in April?
Is it sunny in Oulu in April?
Other cities in Finland
Monthly weather in Oulu
Source of the data
For this page, we’ve looked at the typical weather in Oulu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.