Jonen is a city of approximately 1,700 people in Aargau, Switzerland. Located in the Europe/Zurich time zone at 47.3°N latitude.
Recent weather here gives a sense of typical conditions: in 2025, Jonen recorded a mean annual temperature of 51°F, ranging from 21°F lows in December to 91°F highs in July, with about 50 inches of precipitation across the year.