With a population of around 25,700, Oyonnax sits in Rhone-Alpes, France. The city operates in the Central European time zone.
In 2025, Oyonnax averaged an annual temperature of 51°F, with hottest temperatures reaching 93°F in August and lowest around 14°F in November. The city received approximately 56 inches of precipitation during the year.
View historical weather for Oyonnax · More cities in Rhone-Alpes