According to the data of Zhihu, the average winter temperature in Changchun is-15.0℃ to -5.0℃. The climate of Changchun belongs to continental semi-dry and semi-humid monsoon climate, and the winter is cold and long. The historical extreme minimum temperature reached -39℃, and the daytime average temperature was -5.0℃. The average temperature at night is-15.0℃.