What's the climate like in Beijing all year round?

Beijing has mountains in the east, west and north, and plains in the southeast. The mountainous area accounts for about 2/3 of the total area, and the plain area accounts for about 1/3. The mountainous areas in the northeast are collectively called Dujun Mountain, which belongs to Yanshan Mountains. The western mountainous areas are collectively called Xishan and belong to Taihang Mountain range. These two mountains form a semicircle extending to the southeast near the south exit, arching the Beijing Plain. The plain is composed of many alluvial fans, which slowly incline to the southeast. Beijing is located on the alluvial fan of Yongding River. Beijing has a typical temperate continental climate with four distinct seasons. The average annual precipitation is 609 mm, and the summer precipitation accounts for 70% of the annual precipitation. It is hot and rainy from July to August; Strong winds and cool weather often appear in winter; Autumn is refreshing and comfortable.