Oulu Weather and Climate: A Comprehensive Guide
The temperature in Oulu can vary greatly throughout the year.
The temperatures shift from pleasant
to very cold.
It receives mid-range precipitation levels.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
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 in July, the warmest time of the year, to a very cold -4°C during cooler months like February.
At night, temperatures typically drop to an average of around -11°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Oulu has a moderate amount of precipitation, averaging 659 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, July receives moderate rainfall, averaging 84 mm of precipitation, recorded across 14 rainy days. In contrast, the drier season, March brings less snowfall, with 35 mm 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
Sunshine over the year
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
Average water temperature
The mean water temperature over the year ranges from -1°C in January to 17°C in July.
Water temperature over the year
Average humidity
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%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed over the year ranges from 3 m/s in May, July, August and September to 4 m/s in January, February, March, April, June, October, November and December.
The mean monthly wind speed over the year (meters per second)
broken clouds and slight snow overcast and snow overcast and snowForecast for Oulu
The best time of year to visit Oulu in Finland
Other facts from our historical weather data:July has an average maximum temperature of 21°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of -4°C.
July tops the wettest month list with 84 mm of rainfall.
March is the driest month with 35 mm of precipitation.
June is the sunniest month with an average of 299 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.