With a population of around 3,900, Troistorrents sits in Valais, Switzerland. The city operates in the Europe/Zurich time zone.
In 2025, Troistorrents averaged an annual temperature of 50°F, with hottest temperatures reaching 89°F in August and lowest around 12°F in February. The city received approximately 73 inches of precipitation during the year.
View historical weather for Troistorrents · More cities in Valais