Villiers-Adam has an oceanic climate (Köppen climate classificationCfb). The average annual temperature in Villiers-Adam is 11.5 °C (52.7 °F). The average annual rainfall is 680.6 mm (26.80 in) with December as the wettest month. The temperatures are highest on average in August, at around 19.5 °C (67.1 °F), and lowest in January, at around 4.1 °C (39.4 °F). The highest temperature ever recorded in Villiers-Adam was 39.3 °C (102.7 °F) on 11 August 2003; the coldest temperature ever recorded was −14.2 °C (6.4 °F) on 1 January 1997.
Climate data for Villiers-Adam (1981−2010 normals, extremes 1988−2013)