Rjukan is a city of approximately 3,600 people in Telemark, Norway. Located in the Europe/Oslo time zone at 59.9°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Rjukan recorded a mean annual temperature of 45°F, ranging from 0°F lows in January to 81°F highs in July, with about 42 inches of precipitation across the year.
View historical weather for Rjukan · More cities in Telemark