Doncourt-lès-Conflans has an oceanic climate (Köppen climate classificationCfb). The average annual temperature in Doncourt-lès-Conflans is 10.7 °C (51.3 °F). The average annual rainfall is 710.3 mm (27.96 in) with May as the wettest month. The temperatures are highest on average in July, at around 19.3 °C (66.7 °F), and lowest in January, at around 2.5 °C (36.5 °F). The highest temperature ever recorded in Doncourt-lès-Conflans was 40.9 °C (105.6 °F) on 25 July 2019; the coldest temperature ever recorded was −16.5 °C (2.3 °F) on 26 December 2010.
Climate data for Doncourt-lès-Conflans (1991−2020 normals, extremes 2005−present)