Boniswil is a city of approximately 1,400 people in Aargau, Switzerland. Located in the Europe/Zurich time zone at 47.3°N latitude.
In 2025, Boniswil averaged an annual temperature of 49°F, with hottest temperatures reaching 90°F in July and lowest around 20°F in December. The city received approximately 51 inches of precipitation during the year.
View historical weather for Boniswil · More cities in Aargau