Weather in Oulu

Oulu, Finland: Climate and Weather Year Round

Oulu is a city located in northern Finland, and it experiences a subarctic climate. The climate in Oulu is influenced by its high latitude, proximity to the Baltic Sea, and the presence of the Gulf Stream. This results in cool summers and cold winters, with significant variations in temperature throughout the year.

Seasonal Temperatures

In Oulu, the average temperature ranges from -13°C (9°F) in winter to 17°C (63°F) in summer. The city experiences distinct seasons, with each season bringing its own unique weather conditions.

“Oulu experiences a subarctic climate with cool summers and cold winters, influenced by its high latitude and proximity to the Baltic Sea.”

Winter (December to February)

Winters in Oulu are long, cold, and snowy. The average temperatures range from -10°C (14°F) to -20°C (-4°F). The city is known for its freezing temperatures, with occasional periods of extreme cold when temperatures can drop below -30°C (-22°F). Snow cover is common throughout the winter months, and the city experiences an average of 50-60 snowy days per year.

Spring (March to May)

Spring in Oulu is a transition period from the cold winter to the milder summer. Temperatures gradually start to rise during this season, with average highs ranging from 0°C (32°F) to 7°C (45°F) in March, and reaching 7°C (45°F) to 14°C (57°F) in May. Snow begins to melt, and the city starts to experience longer daylight hours.

Summer (June to August)

Summers in Oulu are relatively short but can be pleasant. Average temperatures range from 14°C (57°F) to 20°C (68°F) during this season. However, temperatures can occasionally reach 25°C (77°F) or higher, particularly during heatwaves. Oulu experiences long daylight hours in summer, with the phenomenon known as the Midnight Sun occurring in June and July, providing almost 24 hours of daylight.

Fall (September to November)

Fall in Oulu is characterized by rapidly decreasing temperatures and shorter daylight hours. Average temperatures range from 7°C (45°F) to 14°C (57°F) in September, and drop to -1°C (30°F) to 4°C (39°F) in November. The city experiences colorful foliage as the leaves change, creating a picturesque autumn landscape.

Precipitation

Oulu receives moderate levels of precipitation throughout the year, with an average of 500-600 millimeters (20-24 inches) annually. The highest amount of rainfall occurs during the summer months, particularly in July and August. Snowfall is also common during the winter months, contributing to the overall precipitation levels.

The precipitation in Oulu is fairly evenly distributed throughout the year, with no significant dry season. However, the city experiences slightly more rainfall in the summer months compared to the rest of the year.

Sunshine Hours

Oulu experiences significant variations in daylight hours throughout the year, with long summer days and short winter days. In summer, the city enjoys nearly 24 hours of daylight during the Midnight Sun period. However, in winter, Oulu experiences only a few hours of daylight, with the sun rising late and setting early.

Wind

Oulu is known for its breezy conditions throughout the year. The city experiences moderate to strong winds, particularly during the winter months when cold air masses from the Arctic can bring gusty winds. Wind speeds can reach up to 10-15 meters per second (22-33 mph) during stormy conditions.

Climate Statistics

Here is a summary of the average climate statistics for Oulu:

These statistics provide a general overview of the climate in Oulu throughout the year. It's important to note that actual weather conditions can vary from year to year, and these averages should be used as a guide.

Oulu's subarctic climate offers a unique experience for residents and visitors alike. From snowy winter landscapes to long summer days, the city's weather provides a diverse range of seasonal activities and natural beauty.