About Hennebont, Brittany

With a population of around 14,300, Hennebont sits in Brittany, France. The city operates in the Central European time zone.

Recent weather here gives a sense of typical conditions: in 2025, Hennebont recorded a mean annual temperature of 55°F, ranging from 26°F lows in January to 91°F highs in August, with about 43 inches of precipitation across the year.