Yan'an has a humid continental climate (Köppen climate classification Dwa) that borders on a steppe climate (Köppen BSk), with cold, dry, and moderately long winters, and hot and somewhat humid summers. Spring and autumn are short transition seasons in between. Monthly daily average temperatures range from −5.5 °C (22.1 °F) in January to 23.1 °C (73.6 °F) in July, and the annual mean of 9.9 °C (49.8 °F). The area receives 511 millimetres (20.1 in) of precipitation and nearly 2450 hours of bright sunshine per year
