Sion weather in October (Canton of Valais, Switzerland)

People don't tend to visit Sion in October since it is known as a chilly month. The average maximum daytime temperature in Sion in October lies at 10.1°C (50.18°F). Bring a thick blanket because during the night it can cool down to temperatures below freezing. The average minimum temperature goes down to around -1.0°C (30.2°F) (often the minimum temperature is noted at night).

Rainfall during October is high with an average of 113mm (4.5 inchec). This makes it the driest month of the year. There are generally around 13 snowy days. The sun will show itself now and again, with 162 hours of sunshine during the entire month.


Sion, monthly averages in October

Show in Fahrenheit
Min Temperature -1 °C  
Max Temperature 10 °C  
Chance of Rain 44%  
Precipitation 113mm  
Rainy days 13 days  
Humidity 76%  
Sunshine 162 hrs  
Percentage Sunshine 58%  

Where to go in Switzerland in October

Find out more about the weather in Switzerland in October and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in October? Visitors traveling to Sion should plan on bringing a totally waterproof coat since it will often be raining. You can also expect some days or nights with snow. So bring gloves or mittens and wear a warm hat.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in October.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Sion.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.