With a population of around 1,300, Aristau sits in Aargau, Switzerland. The city operates in the Europe/Zurich time zone.
In 2025, Aristau recorded an average annual temperature of 51°F. The hottest temperatures reached 91°F in July; the coolest were 21°F in December. Total precipitation for the year was 50 inches, with the wettest month being July. Snowfall for the year totaled approximately 5 inches.
View current conditions and forecast for Aristau · More cities in Aargau