Datong has a continental monsoon climate, featured with sharp temperature difference between day and night. Winter is long, cold and dry. Summer and autumn are cool and comfortable. The annual average temperature is 5.5 C, while the annual rainfall averages 400 millimeters.
Suitable time to travel Datong is from April to October. The temperature in Datong normally changes sharply between day and night. Therefore, a thick overcoat is highly suggested to be taken to keep warm, even in summer.