Altendorf is a city of approximately 5,300 people in Schwyz, Switzerland. Located in the Europe/Zurich time zone at 47.2°N latitude.
In 2025, Altendorf recorded an average annual temperature of 52°F. The hottest temperatures reached 91°F in August; the coolest were 19°F in November. Total precipitation for the year was 62 inches, with the wettest month being July. Snowfall for the year totaled approximately 11 inches.
View current conditions and forecast for Altendorf · More cities in Schwyz