About Diepoldsau, Saint Gallen's Climate & Weather History

With a population of around 5,400, Diepoldsau sits in Saint Gallen, Switzerland. The city operates in the Europe/Zurich time zone.

In 2025, Diepoldsau recorded an average annual temperature of 51°F. The hottest temperatures reached 91°F in July; the coolest were 14°F in January. Total precipitation for the year was 64 inches, with the wettest month being July. Snowfall for the year totaled approximately 10 inches.