Sainte-Gemme-la-Plaine () is a commune in the Vendée department in the Pays de la Loire region in western France. Geography Climate Sainte-Gemme-la-Plaine has a oceanic climate (Köppen climate classification Cfb). The average annual temperature in Sainte-Gemme-la-Plaine is . The average annual rainfall is with October 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 Sainte-Gemme-la-Plaine was on 18 July 2022; the coldest temperature ever recorded was on 15 January 1985. See also Communes of the Vendée department References Communes of Vendée