Located to the south of the Tropic of Cancer, Nanning experiences a sub-tropical monsoon climate, enjoying abundant sunshine and rainfall. With a mild climate, Nanning has experienced snow and only a little frost. Its average annual temperature is about 21.6°C. Winter in Nanning is short, with the coldest month falling in January when the average temperature is 12.8°C. In contrast, summer in Nanning is long and comes with plenty rainfall, with the hottest months falling in July and August when the average temperature is 28.2°C. The average annual precipitation in the city is 1304.2mm, and the average relative humidity is 79%; therefore, the climate is generally hot and humid. All of these factors result in humid summers and dry winters, while spring and autumn are comparatively mild.
These climatic conditions result in green trees and blooming flowers all year round, as well as abundant yields of produce. Hence, there is a saying about Nanning, “Grass doesn't wither in winter, and flowers bloom all year round.”about Nanning, “Grass doesn't wither in winter and flowers bloom all year round.”