Chusclan has a hot-summer Mediterranean climate (Köppen climate classificationCsa). The average annual temperature in Chusclan is 15.3 °C (59.5 °F). The average annual rainfall is 750.2 mm (29.54 in) with November as the wettest month. The temperatures are highest on average in July, at around 25.1 °C (77.2 °F), and lowest in January, at around 6.6 °C (43.9 °F). The highest temperature ever recorded in Chusclan was 43.1 °C (109.6 °F) on 12 August 2003; the coldest temperature ever recorded was −7.8 °C (18.0 °F) on 2 January 2002.
Climate data for Chusclan (1991−2020 normals, extremes 1991−2021)