The weather in Sion in October is very cold with temperatures between -2°C and 10°C, warm clothes are a must.
You can expect rain for roughly half of the month of October in Sion. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Sion during October. It’s important to get out your snow boots and warm mittens to stay warm while you explore Sion.
Our weather forecast can give you a great sense of what weather to expect in Sion in October 2024.
If you’re planning to visit Sion in the near future, we highly recommend that you review the 14 day weather forecast for Sion before you arrive.
Temperatures
10° / -2°
Rainy Days
8
Snowy Days
6
Dry Days
18
Rainfall
115
mm
Sun Hours
10.2
Hrs
