Xi'an Weather
Xi'an has most of its annual precipitation from August to late October in the form of rain. It is characterised by hot summers and cold, dry winters. Spring and autumn will be somewhat brief and dry.
Xi'an has a temperate climate that is influenced by the East Asian monsoon, classified under the Köppen climate classification as situated on the borderline between a semi-arid climate (BSk) and humid subtropical climate (Cwa). The Wei River valley is characterised by hot, humid summers, cold, dry winters, and dry springs and autumns. Most of the annual precipitation is delivered from July to late October. Snow occasionally falls in winter but rarely settles for long. Dust storms often occur during March and April as the city rapidly warms up. Summer months also experience frequent but short thunderstorms. The monthly 24-hour average temperature ranges from around the freezing mark in January to 26.6 °C (79.9 °F) in July, with an annual mean of 13.68 °C (56.6 °F). Extreme temperatures have ranged from -20.6 °C (-5 °F) to 42.9 °C (109 °F).