La Roche-JaudyLa Roche-Jaudy is a commune in the Côtes-d'Armor department of Brittany in northwestern France. It was established on 1 January 2019 by the merger of the former communes of La Roche-Derrien, Hengoat, Pommerit-Jaudy and Pouldouran.WWW larochejaudy.bzhGeographyClimateLa Roche-Jaudy has an oceanic climate. The average annual temperature in La Roche-Jaudy is. The average annual rainfall is with December as the wettest month. The temperatures are highest on average in August, at around, and lowest in January, at around. The highest temperature ever recorded in La Roche-Jaudy was on 9 August 2003; the coldest temperature ever recorded was on 12 January 1987.