The temperatures in Oyonnax in October are quite cold with temperatures between 7°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Oyonnax during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Oyonnax in October 2026.
If you’re planning to visit Oyonnax in the near future, we highly recommend that you review the 14 day weather forecast for Oyonnax before you arrive.
Temperatures
16° / 7°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
143
mm
Sun Hours
9.9
Hrs
