Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
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.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Oulu.
Pick a month to see the average temperature, rainfall and sunshine in Oulu - and find the best time to visit.
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).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on weather observations in Oulu between 1999 and 2026, these are the recorded extremes during 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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Oulu climate overview or explore weather in Finland.
Where to go in April - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Air Guitar World Championship Finland
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