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.
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