Oulu Weather in April
Thinking of visiting Oulu in April? Expect low temperatures reaching 6°C (43°F) during the day, dropping to -3°C (27°F) at night, with some snow/rainfall likely.
Rainfall in Oulu in April
Historically, the month has about 12 days of snow/rain, averaging 35 mm (1.4 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Oulu in April
If you're visiting Oulu in April, expect highs of 6°C (43°F) and overnight lows around -3°C (27°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.
Sunshine in Oulu in April
The month enjoys around 212 hours of sunshine, creating mostly sunny days despite the cool temperatures.
Wind Speed in Oulu in April
April sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.
Average water temperature in April
At 1°C (34°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Oulu.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Oulu's climate page.
Oulu Temperature in April
Min Temperature
-3°C (27°F)
Max Temperature
6°C (43°F)
Water Temperature
1°C (34°F)
Chance of Rain
39%
Precipitation
35 mm (1.4 in)
Rainy days
12 days
Humidity
74%
Windspeed
4 m/s (8 knots)
Sunshine
212 hours
Percentage Sunshine
37%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Oulu typically rise from around 3°C (37°F) at the start of April to approximately 8°C (46°F) by the end. Nights are very cold, with lows typically ranging from -5°C (23°F) to 0°C (32°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Oulu in April
Browse day-by-day weather records for Oulu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Oulu historical weather extremes in April
Based on weather observations in Oulu between 1999 and 2026, these are the recorded extremes during April.
- The hottest April day on record in Oulu reached 20°C (68°F) (April 21, 1999).
- The lowest daytime temperature in April was -4°C (25°F), recorded on April 1, 2004.
- Nighttime temperatures dropped to -18°C (0°F) on April 3, 2023, marking the coldest April night on record.
Best Places in Finland in April
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Oulu in April
We recommend to layer up for chilly conditions in Oulu in April. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Some rain is possible, so pack something to handle light showers. The water temperature sits at about 1°C (34°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Oulu in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Oulu's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Oulu climate overview or explore weather in Finland.
