The weather in Oyonnax in March is very cold with temperatures between 2°C and 12°C, warm clothes are a must.
You can expect rain for roughly half of the month of March in Oyonnax. 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.
Please note that Oyonnax can expect a few days of snow in March.
Our weather forecast can give you a great sense of what weather to expect in Oyonnax in March 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
12° / 2°
Rainy Days
9
Snowy Days
2
Dry Days
21
Rainfall
126
mm
Sun Hours
9.2
Hrs
