About Rotnes, Akershus's Climate & Weather History

With a population of around 4,700, Rotnes sits in Akershus, Norway. The city operates in the Europe/Oslo time zone.

In 2025, Rotnes recorded an average annual temperature of 44°F. The hottest temperatures reached 85°F in July; the coolest were -0°F in January. Total precipitation for the year was 42 inches, with the wettest month being September. Snowfall for the year totaled approximately 16 inches.