About Tomter, Ostfold's Climate & Weather History

With a population of around 2,200, Tomter sits in Ostfold, Norway. The city operates in the Europe/Oslo time zone.

In 2025, Tomter recorded an average annual temperature of 45°F. The hottest temperatures reached 85°F in July; the coolest were -4°F in January. Total precipitation for the year was 40 inches, with the wettest month being July. Snowfall for the year totaled approximately 11 inches.