This content was generated using artificial intelligence based on publicly available information. It is provided for general informational purposes only and does not constitute legal, tax, immigration, or professional advice. Information may be incomplete or outdated. Always verify with official sources before making decisions.
Data Source: Safety, crime, and quality metrics are sourced from Numbeo, a crowd-sourced global database of reported data.
All scores are relative comparisons on a 0-100 scale, where 50 = global average. Higher scores mean better than average, lower scores mean worse than average.
Sion offers a distinct blend of Alpine serenity and Valais charm, making it an ideal base for professionals seeking an active, outdoor-oriented lifestyle without the frantic pace of Zurich or Geneva. With a significant international community making up nearly 30% of the population, you’ll find a welcoming social fabric and a high standard of living. The city provides reliable healthcare and efficient public transport, ensuring a smooth transition for families.
However, the lifestyle requires a conscious trade-off: while the scenery is unparalleled, the local economy is more specialized, and the quiet, mountain-valley rhythm may feel isolating if you crave a high-energy metropolitan hub.
Sion has a warm-summer temperate oceanic climate (Köppen Cfb), but it is relatively dry and sunny for Switzerland because it sits in the Rhône Valley. Summers are warm to hot and generally dry, while winters are cool with relatively low precipitation compared with many Alpine locations.
Summer Average
20°C
Winter Average
2°C
Climate Type
Oceanic
Rainy Days
82
Sunny Days
280
Humidity
63%
Spring
March - May
8-18°C
Spring is mild and increasingly sunny, with temperatures rising quickly through the season. Rainfall is generally moderate, and conditions are often drier than in much of Switzerland.
Moderate rainfall
Summer
June - August
18-30°C
Summer is warm to hot and one of the driest parts of the year, with frequent sunshine and low-to-moderate rainfall. Heat can build in the valley, especially during stable high-pressure periods.
Low rainfall
Autumn
September - November
7-20°C
Autumn is generally mild at first, then turns cooler and wetter as the season progresses. Sunshine remains fairly common early on, but cloudier and wetter days become more frequent later in the season.
Moderate rainfall
Winter
December - February
-2-5°C
Winter is cool and relatively dry, with occasional snowfall and cold nights. Compared with nearby alpine areas, Sion usually has less frequent precipitation and more sunshine.
Low rainfall
Loading Weather...
Air Quality
Sion
Advantages
Sion
31 parks, abundant nature
29 cultural sites nearby
Alpine mountain scenery
Compact walkable town
Wine region access
Disadvantages
Sion
Limited higher education options
Small job market
Expensive housing costs
Few coworking spaces
Limited nightlife activities
Safety & Security in Sion
Overall Safety Score
Includes resilience and environmental factors
Good
67
/100
Switzerland Avg
62
Europe Avg
58
Worldwide Avg
56
Crime & Safety Metrics
Thermometer compares Sion to Switzerland averages using different marker styles.Compare:
Sion
Switzerland Average
Safety Index
0510
Moderate
Safety from Crime
0510
Moderate
Safe Alone (Day)
0510
Good
Safe Alone (Night)
0510
Moderate
Safety from Violent Crime
0510
Safe
Safety from Property Crime
0510
Moderate
Environmental & Natural Hazard Risks
Resilience Score: 71/100
No data for Sion — showing hazard indicators from nearby Lausanne (~65 km).
