Ulefoss is a city of approximately 2,700 people in Telemark, Norway. Located in the Europe/Oslo time zone at 59.3°N latitude.
In 2025, Ulefoss recorded an average annual temperature of 46°F. The hottest temperatures reached 85°F in August; the coolest were 0°F in February. Total precipitation for the year was 43 inches, with the wettest month being September. Snowfall for the year totaled approximately 15 inches.
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