Twann (BERN) Weather & Climate: Best Time to Visit

The climate in Twann is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 14°C (57°F) in July to -2°C (28°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Twann has a notably wet climate with abundant precipitation, recording 1420 mm (56 in) of rain/snowfall per year. Despite minor fluctuations, Twann enjoys fairly consistent precipitation throughout the year. In May, you can expect around 146 mm (5.7 in) of precipitation, while in February, Twann receives about 96 mm (3.8 in). For more details, please visit our Twann Precipitation page.

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

The average number of days each month with precipitation

Twann can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Twann.

The city experiences its highest humidity in October, reaching 85%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year