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

The climate in Bolligen is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 25°C (77°F) in July to a chilly 5°C (41°F) in January.

Nighttime temperatures range from 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

Bolligen has a notably wet climate with abundant precipitation, recording 1247 mm (49 in) of rain/snowfall per year. The wettest period in Bolligen occurs in May, which receives around 130 mm (5.1 in) of precipitation. During the driest month, February, Bolligen experiences moderate snow/rainfall, totaling 89 mm (3.5 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Bolligen Precipitation page.

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

The average number of days each month with precipitation

In Bolligen, summer days are longer and more sunny, with daily sunshine hours peaking at 8.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average 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 Bolligen.

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