About Redon, Brittany's Climate & Weather History

With a population of around 9,500, Redon sits in Brittany, France. The city operates in the Central European time zone.

In 2025, Redon recorded an average annual temperature of 55°F. The hottest temperatures reached 94°F in June; the coolest were 25°F in January. Total precipitation for the year was 37 inches, with the wettest month being January.