MarlieuxMarlieux is a commune in the Ain department in eastern France. Marlieux—Châtillon station has rail connections to Bourg-en-Bresse and Lyon.WWW marlieux.comGeographyThe river Chalaronne forms part of the commune's western border.ClimateMarlieux has an oceanic climate. The average annual temperature in Marlieux 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 Marlieux was on 13 August 2003; the coldest temperature ever recorded was on 6 January 1971.