Turpan has a harsh, cold desert climate (Köppen BWk), with long and very hot summers, winters that are quite cold and moderately long, and brief spring and autumn in between. Annual precipitation is very low, amounting to only 15.7 millimetres (0.62 in). July is the hottest month, averaging 32.2 °C (90.0 °F), while January is the coldest, at −7.6 °C (18.3 °F), for an annual mean of 14.4 °C (57.9 °F).
Extremes have ranged from −28.9 °C (−20 °F) to 48.1 °C (119 °F)
