Oulu Weather & Climate: Best Time to Visit
Oulu, in northern Finland, is a coastal city known for its university, innovation hubs, and access to nature. Summers tend to be mild and pleasant, while winters are long and very cold. Rainfall is moderate and fairly evenly spread across the seasons. Let’s take a closer look at Oulu’s climate.
Monthly Temperature in Oulu
Depending on the time of the year, temperatures range from pleasant to very cold in Oulu. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in July, the warmest time of the year, to a very cold -4°C (25°F) during cooler months like February.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around -11°C (12°F) during February.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Oulu
Generally, Oulu has a moderate amount of precipitation, averaging 659 mm (26 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 84 mm (3.3 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month March brings less snowfall, with 35 mm (1.4 in) over 15 snowy days. For more details, please visit our Oulu Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Oulu
Seasonal changes in sunshine hours are quite dramatic in Oulu. While June receives considerable daily sunshine with up to 10.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 0.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Oulu
The mean water temperature over the year ranges from -1°C (30°F) in January to 17°C (63°F) in July.
Water temperature over the year
Humidity in Oulu by Month
The relative humidity is high throughout the year in Oulu.
The city experiences its highest humidity in November, reaching 88%. In June, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Oulu
The mean wind speed over the year ranges from 3 m/s (6 knots) in May, July, August and September to 4 m/s (8 knots) in January, February, March, April, June, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Oulu 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Oulu
During the months of June, July and August, Oulu enjoys pleasant weather with average temperatures ranging from 18°C (64°F) to 21°C (70°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 64 mm (2.5 in) in June to 84 mm (3.3 in) in July. This means you can expect a mix of sunny days and occasional showers. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
