Bengbu city belongs to the Huaihe River valley region, China climate transition region. North of this region belongs to warm temperate zone, the South belongs to the north subtropical zone. The climate of Bengbu is mild, the average temperature of 11 to 16 C (centigrade). Temperature changes north to south and from coastal areas to inland increased. Extreme high temperature is 44.5 C (centigrade), and extreme low temperature is -24.1 C. (centigrade) Since ancient times, China's Huaihe River is the natural dividing line between North and South.