Jonen is a city of approximately 1,700 people in Aargau, Switzerland. Located in the Europe/Zurich time zone at 47.3°N latitude.
In 2025, Jonen 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.
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