About Kongsberg, Buskerud's Climate & Weather History

With a population of around 17,700, Kongsberg sits in Buskerud, Norway. The city operates in the Europe/Oslo time zone.

In 2025, Kongsberg recorded an average annual temperature of 45°F. The hottest temperatures reached 83°F in July; the coolest were -5°F in February. Total precipitation for the year was 39 inches, with the wettest month being September. Snowfall for the year totaled approximately 20 inches.