About Auw, Aargau's Climate & Weather History

With a population of around 1,600, Auw sits in Aargau, Switzerland. The city operates in the Europe/Zurich time zone.

In 2025, Auw recorded an average annual temperature of 49°F. The hottest temperatures reached 90°F in July; the coolest were 21°F in December. Total precipitation for the year was 51 inches, with the wettest month being July. Snowfall for the year totaled approximately 5 inches.