Wuzhai is a county of northwestern Shanxi province, China. It is under the administration of Xinzhou City.

Climate

Wuzhai has a monsoon-influenced, humid continental climate (Köppen Dwb), with cold and very dry winters, and warm, humid summers. The monthly 24-hour average temperature ranges from −12.2 °C in January to 20.2 °C in July, and the annual mean is 5.4 °C. June thru September accounts for nearly three-fourths of the 454 mm of annual precipitation. Due to the high elevation and dry climate, the diurnal temperature variation averages 15 C-change annually.