Sonnen Weather & Climate: Best Time to Visit

Visitors to Sonnen can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a chilly 2°C (36°F) during cooler months like January.

At night, you can expect temperatures ranging from 13°C (55°F) in July to around -4°C (25°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sonnen is known for its substantial rain/snowfall, with annual precipitation reaching 1020 mm (40 in). While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 117 mm (4.6 in) of precipitation, spread over 16 rainy days.

In contrast, the driest month November experiences a drier climate, with about 65 mm (2.6 in) of rainfall spread across 15 rainy days. For more details, please visit our Sonnen Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Sonnen. While July receives considerable daily sunshine with up to 7.7 hours, December marks the darkest time of the year, where sunshine is scarce 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 city experiences its highest humidity in December, reaching 91%. In May, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year