With a population of around 3,100, Klingnau sits in Aargau, Switzerland. The city operates in the Europe/Zurich time zone.
In 2025, Klingnau averaged an annual temperature of 50°F, with hottest temperatures reaching 94°F in August and lowest around 19°F in December. The city received approximately 42 inches of precipitation during the year.
View historical weather for Klingnau · More cities in Aargau