Le François has a tropical monsoon climate (Köppen climate classificationAm). The average annual temperature in Le François is 27.4 °C (81.3 °F). The average annual rainfall is 1,634.2 mm (64.34 in) with November as the wettest month. The temperatures are highest on average in August, at around 28.2 °C (82.8 °F), and lowest in February, at around 26.3 °C (79.3 °F). The highest temperature ever recorded in Le François was 35.9 °C (96.6 °F) on 18 September 2020; the coldest temperature ever recorded was 16.0 °C (60.8 °F) on 9 February 1976.
Climate data for Le François (1991–2020 averages, extremes 1964−present)