What climate does Chongqing belong to? Why is it so hot?

Chongqing is a livable city with mild climate and subtropical monsoon humid climate. The annual average climate is about 18℃, the average minimum temperature in winter is 6-8℃, the summer is hot, and the daily maximum temperature in July and August is above 35℃. The extreme temperature is 465438 0.9℃, and the lowest is-65438 0.7℃. The total sunshine hours are 1000- 1200 hours. It is warm in winter and hot in summer, with a long frost-free period and abundant rainfall. Annual rainfall 1000- 1450 mm Chongqing is foggy, and it is known as the "foggy city of Chongqing". Chongqing is foggy because of its geographical environment. The average annual foggy days in Chongqing are 104 days, while London, which is known as the foggy capital of the world, has only 94 days, and Tokyo, Japan, which is the foggy capital of the Far East, has only 55 days. Chongqing is a veritable "foggy city". Wu Yun, Bishan County, Chongqing has 204 foggy days all the year round, which is called "the best in the world".