About Trun, Grisons's Climate & Weather History

With a population of around 1,200, Trun sits in Grisons, Switzerland. The city operates in the Europe/Zurich time zone.

In 2025, Trun recorded an average annual temperature of 48°F. The hottest temperatures reached 90°F in June; the coolest were 3°F in January. Total precipitation for the year was 54 inches, with the wettest month being July. Snowfall for the year totaled approximately 58 inches.