La Chapelle, Ardennes

In 2010, the climate of the commune was a Type 1, according to a study by the French National Centre for Scientific Research based on a series of data covering the period of 1971–2000.^[3] In 2020, Météo France published a typology of the climates of metropolitan France in which the commune is exposed to an altered oceanic climate and is in the Lorraine, Langres plateau, Morvan climatic region, characterized by a harsh winter (1.5 °C), moderate winds and frequent fog in autumn and winter.^[4]

From 1971–2000, the mean annual temperature is 8.9 °C, with an annual temperature range of 15.2 °C. The average annual rainfall total is 1,090 mm, with 14.3 days of precipitation in January and 10.3 days in July.^[3] From 1991–2020, the average annual temperature observed at the nearest Météo-France weather station, "Douzy", in the commune of Douzy, 8 km away per great-circle navigation,^[5] is 10.5°C and the mean annual precipitation total is 857.0 mm. The maximum temperature recorded at this station is 40.3 °C, reached on July 25, 2019; the minimum temperature was −14.8 °C, reached on January 3, 2004.^{[6][7][note 1]}

The municipality's climate parameters have been estimated for the middle of the century (2041–2070) according to different greenhouse gas emission scenarios based on the new DRIAS-2020 reference climate projections.^[8] They can be consulted on a dedicated website published by Météo-France in November 2022.^[9]