About Zernez, Grisons's Climate & Weather History

Zernez, in Grisons, Switzerland, is home to roughly 1,100 people in the Europe/Zurich time zone at 46.7°N latitude.

In 2025, Zernez recorded an average annual temperature of 41°F. The hottest temperatures reached 81°F in June; the coolest were -8°F in January. Total precipitation for the year was 23 inches, with the wettest month being January. Snowfall for the year totaled approximately 35 inches.