About Riddes, Valais's Climate & Weather History

With a population of around 2,200, Riddes sits in Valais, Switzerland. The city operates in the Europe/Zurich time zone.

In 2025, Riddes recorded an average annual temperature of 54°F. The hottest temperatures reached 99°F in August; the coolest were 10°F in January. Total precipitation for the year was 59 inches, with the wettest month being September. Snowfall for the year totaled approximately 47 inches.