MontarnaudMontarnaud is a commune in the Hérault department in the Occitanie region in southern France.WWW montarnaud.comGeographyClimateMontarnaud has a mediterranean climate. The average annual temperature in Montarnaud is. The average annual rainfall is with October as the wettest month. The temperatures are highest on average in July, at around, and lowest in January, at around. The highest temperature ever recorded in Montarnaud was on 28 June 2019; the coldest temperature ever recorded was on 16 January 1985.