Changchun, a transitional area situated between the east humid mountainous region and the west dry plain, has a continental semi-humid monsoon climate of a temperate region. The winter is long, cold and dry, with an average temperature of -16.3 degrees centigrade in January and a snow depth up to 22 cm. The spring and autumn are short and the weather changes all the time. The summer is warm and humid. Its annual precipitation is in the range between 522 and 615 mm, with 60% falling in summer. The average temperature in July is 23 degrees centigrade. The four distinctive seasons make Changchun a pleasant city where visitors can enjoy beautiful sunshine in spring, green leaves in summer, fruits in autumn and ice and snow in winter.