Rjukan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rjukan.
Climate overview of Rjukan
Rjukan, Telemark, Norway, sees big temperature differences between seasons, with July peaking at 18°C (64°F) and January dropping to -3°C (27°F).
Rain/snowfall is high, totalling around 1232 mm (49 in) per year. July is the wettest month and March the driest. The city also experiences mild summers and very cold winters.
Rjukan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rjukan - and find the best time to visit.
Monthly Temperature in Rjukan
Visitors to Rjukan can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a moderate 18°C (64°F) in July, the warmest time of the year, to a very cold -3°C (27°F) during cooler months like January.
At night, you can expect temperatures ranging from 8°C (46°F) in July to around -9°C (16°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rjukan
Rjukan is known for its substantial rain/snowfall, with annual precipitation reaching 1232 mm (49 in). While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 128 mm (5 in) of precipitation, spread over 16 rainy days.
In contrast, the driest month March experiences a drier climate, with about 71 mm (2.8 in) of snowfall spread across 15 snowy days. For more details, please visit our Rjukan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Rjukan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July
- Warmest weather: July and August
- Fewer rainy days: February, March, April, May and September
- Seasonal pattern: Mild summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Rjukan
What is the best time to visit Rjukan?
July typically offers the most optimal weather in Rjukan. In contrast, January, February, March, April, September, October, November and December tend to have less optimal conditions. Rjukan has mild summers and very cold winters.
What temperatures can I expect in Rjukan?
Daytime highs range from -3°C (27°F) in January to 18°C (64°F) in July. Nighttime lows range from -9°C (16°F) to 8°C (46°F). Temperatures vary considerably through the year.
How much rain does Rjukan get?
Annual rainfall is around 1232 mm (49 in). July is the wettest month with 128 mm (5 in), while March is the driest with 71 mm (2.8 in).
Rjukan 3-Day Forecast
Rjukan 3-Day Forecast
Rjukan on the map
Rjukan is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Oslo
22°C (72°F) Kristiansand
20°C (68°F) Trondheim20°C (68°F) Stavanger
18°C (64°F) Bergen
19°C (66°F) Hemsedal
17°C (63°F) Tromsø17°C (63°F) Reine14°C (57°F) 
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