Sion, ch-Valais, Switzerland Weather Information
Local Time
2026-03-12 12:18:53 Central European Standard TimeWeather in the past year
Sun & Astronomy
In Sion, ch-Valais, Switzerland, today's sunrise time is 06:47, sunset time is 18:33, nautical twilight begins at 05:44, nautical twilight ends at 19:36, astronomical twilight begins at 05:08, astronomical twilight ends at 20:11.
Temperature Analysis
In Sion, ch-Valais, Switzerland region, the lowest temperature occurs in January 2025, with an average temperature of about 1.8°C.
The highest temperature occurs in June 2025, with a maximum temperature of up to 23.7°C.
Based on historical data, the average temperature in January is 1.8°C, February is 3.1°C, March is 6.1°C, April is 11.3°C, May is 14.8°C, June is 23.7°C, July is 20.5°C, August is 22.2°C, September is 16.6°C, October is 11.7°C, November is 6.2°C, December is 4.4°C.
Wind Analysis
In Sion, ch-Valais, Switzerland region, the lowest wind speed occurs in February 2025, with an average wind speed of about 27.5 km/h.
The highest wind speed occurs in June 2025, with a maximum wind speed of up to 44.5 km/h.
Based on historical data, the average wind speed in January is 37.9 km/h, February is 27.5 km/h, March is 31.2 km/h, April is 30.3 km/h, May is 32.2 km/h, June is 44.5 km/h, July is 40.1 km/h, August is 36.8 km/h, September is 32.9 km/h, October is 36.4 km/h, November is 30.3 km/h, December is 32.5 km/h.
Sunshine Duration Analysis
In Sion, ch-Valais, Switzerland region, the lowest sunshine duration occurs in January 2025, with an average sunshine duration of about 5.6 hours.
The highest sunshine duration occurs in June 2025, with a maximum sunshine duration of up to 13.4 hours.
Based on historical data, the average sunshine duration in January is 5.6 hours, February is 7.7 hours, March is 9.6 hours, April is 10.8 hours, May is 9.9 hours, June is 13.4 hours, July is 12 hours, August is 11.2 hours, September is 9.2 hours, October is 7.4 hours, November is 5.8 hours, December is 6 hours.
Precipitation Analysis
In Sion, ch-Valais, Switzerland region, the lowest precipitation occurs in December 2025, with an average precipitation of about 0.6 mm.
The highest precipitation occurs in January 2025, with a maximum precipitation of up to 4.8 mm.
Based on historical data, the average precipitation in January is 4.8 mm, February is 1.3 mm, March is 1 mm, April is 3.8 mm, May is 3.7 mm, June is 1.6 mm, July is 4 mm, August is 4.3 mm, September is 4.3 mm, October is 4.5 mm, November is 3.9 mm, December is 0.6 mm.