The best time to go to Oulu is during the summer months, from June to August, when the weather is mild and the days are long.During this period, Oulu experiences the 'Midnight Sun', where daylight lasts almost 24 hours. This allows for extended opportunities to explore the city and its surroundings. The average temperature is comfortable, typically ranging from 15°C to 20°C, making it ideal for outdoor activities like cycling along the Oulu River delta or enjoying the beaches of Nallikari.Families often find the summer particularly appealing due to the abundance of outdoor activities suitable for all ages. You can visit the Tietomaa Science Centre, spend a day at the Nallikari Holiday Village with its sandy beaches and playgrounds, or take a boat trip to explore the nearby islands. The mild weather ensures a pleasant experience for children and adults alike.Couples looking for a romantic getaway will also appreciate the long, bright evenings. You can enjoy a leisurely dinner at a riverside restaurant, take a stroll through the Hupisaaret Islands City Park, or simply relax by the water's edge, soaking in the unique phenomenon of the Midnight Sun.