Le Morne-Rouge has a tropical rainforest climate (Köppen climate classificationAf). The average annual temperature in Le Morne-Rouge is 24.3 °C (75.7 °F). The average annual rainfall is 4,683.0 mm (184.37 in) with November as the wettest month. The temperatures are highest on average in August, at around 25.5 °C (77.9 °F), and lowest in February, at around 22.7 °C (72.9 °F). The highest temperature ever recorded in Le Morne-Rouge was 33.1 °C (91.6 °F) on 13 September 2019; the coldest temperature ever recorded was 12.1 °C (53.8 °F) in December 2022.
Climate data for Le Morne-Rouge (1991−2020 normals, extremes 1965−present)