About Sedan, Grand Est

Sedan is a city of approximately 20,600 people in Grand Est, France. Located in the Central European time zone at 49.7°N latitude.

Recent weather here gives a sense of typical conditions: in 2025, Sedan recorded a mean annual temperature of 52°F, ranging from 20°F lows in November to 96°F highs in July, with about 38 inches of precipitation across the year.