About Roanne, Rhone Alpes's Climate & Weather History

With a population of around 39,800, Roanne sits in Rhone-Alpes, France. The city operates in the Central European time zone.

In 2025, Roanne recorded an average annual temperature of 55°F. The hottest temperatures reached 102°F in August; the coolest were 22°F in January. Total precipitation for the year was 35 inches, with the wettest month being September. Snowfall for the year totaled approximately 1 inches.