Sion is a Swiss town situated in the Rhône valley, a municipality, and the capital of the canton of Valais and of the district of Sion. As of December 2020 it had a population of 34,978.
1 ancillary rooms are currently listed to buy in Sion on Homematch. The selection updates throughout the day as agencies publish new listings.
Sion is located in the canton of Valais.
Annual mean 10.7°C with 583 mm of rain. Warmest in July (20.6°C), coldest in January (0.5°C). Station: Sion, 482 m.
Sunshine
2'158 h
Precipitation
583 mm
Sion · 482 m.a.s.l. · 1991–2020 normals · Source: MeteoSchweiz
Mean annual temperature at Sion has risen by +2.6°C between the first 30 observed years (1864–1893) and the most recent (1996–2025).
Sion · 482 m.a.s.l. · 1864–2025 · Source: MeteoSchweiz NBCN
Source: FSO
CHF 207'390.–
CHF 204'290.–
CHF 520'000.–
CHF 317'400.–
CHF 219'000.–