Richterswil is a city of approximately 10,200 people in Zurich, Switzerland. Located in the Europe/Zurich time zone at 47.2°N latitude.
In 2025, Richterswil recorded an average annual temperature of 51°F. The hottest temperatures reached 91°F in August; the coolest were 23°F in December. Total precipitation for the year was 53 inches, with the wettest month being July. Snowfall for the year totaled approximately 5 inches.
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