Weather in Norway for May 2025

In May, Norway experiences a transition from spring to early summer, with varying weather conditions across the country. At the beginning of the month, southern Norway, including Oslo and Bergen, typically sees milder temperatures with an average high of 12° and lows around 5°.

The weather is often characterized by a mix of sunny days and occasional rainfall, making it important for travelers to pack layers and waterproof clothing.

As the month progresses, the weather in Norway tends to become more favorable for outdoor activities. By the end of May, the temperatures in southern Norway can rise to an average high of 16° and lows around 8°. The days become longer, providing more daylight hours for exploration and sightseeing.

In the northern regions, such as Tromsø and the Lofoten Islands, the weather also improves, with average highs reaching 10° and lows around 3° by the end of the month.

Overall, May offers a great opportunity to experience the natural beauty of Norway as the landscapes come to life with blooming flowers and lush greenery. However, it's important to be prepared for potential weather changes and to check local forecasts before planning outdoor activities.