Tønsberg Weather & Climate: Best Time to Visit

Visitors to Tønsberg can expect significant temperature changes throughout the year. Average daytime temperatures reach a pleasant 22°C (72°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 3°C (37°F).

At night, temperatures range from around 15°C (59°F) in July to -3°C (27°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Tønsberg is known for its substantial rain/snowfall, with annual precipitation reaching 1088 mm (43 in). Tønsberg experiences moderate seasonal variation in rainfall, with monthly averages ranging from 123 mm (4.8 in) in October, the wettest month, and 60 mm (2.4 in) in April, the driest month. For more details, please visit our Tønsberg Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Tønsberg can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 8.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Tønsberg.

The city experiences its highest humidity in November, reaching 86%. In May, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year