Les Déserts has a humid continental climate (Köppen climate classificationDfb) closely bordering on a subarctic climate (Dfc). The average annual temperature in Les Déserts is 6.2 °C (43.2 °F). The average annual rainfall is 1,652.2 mm (65.05 in) with December as the wettest month. The temperatures are highest on average in July, at around 14.6 °C (58.3 °F), and lowest in January, at around −1.3 °C (29.7 °F). The highest temperature ever recorded in Les Déserts was 32.5 °C (90.5 °F) on 27 June 2019; the coldest temperature ever recorded was −24.0 °C (−11.2 °F) on 5 February 2012.
Climate data for Les Déserts (1991−2020 normals, extremes 1993−present)