Why is Guiyang called the summer capital?

Due to climate.

Guiyang has no scorching heat in summer. The average temperature in summer is 23.2℃, and the maximum temperature is between 25-28℃. In late July, the hottest period, the average temperature is only 23.7℃, the highest temperature in the whole year. There are few days with temperatures above 30℃. The intensity of ultraviolet rays reaches level 4 only in a short period of time at noon, and is weak or very weak the rest of the time; there is abundant rainfall in summer, about 500 mm, and nighttime precipitation accounts for 70% of the annual precipitation.

Guiyang City has an altitude of about 1,100 meters and is located in the Fedel circulation. It is controlled by the westerly belt all year round and has a humid and mild subtropical climate. The annual average temperature is 15.3°C and the annual extreme maximum temperature is 35.1°C. The annual extreme minimum temperature is -7.3°C, the annual average relative humidity is 77%, and the average annual total precipitation is 1129.5 mm.

Extended information:

Guiyang Scenic Spots

1. Huaxi Scenic Spot

Huaxi Scenic Spot is located 17 kilometers away from the southern suburbs of Guiyang City. The scenic spot consists of seven scenic spots including Shili River Beach, Tianhe Pool, Yanlou Malin, Qingyan Ancient Town, Qiantao Mengguan, Gaopo, and Xiaobiji, while Huaxi Park is a tourist attraction that can be enjoyed all year round. It is commonly known as the "back garden of Guiyang City". It has the reputation of Guizhou’s condensed landscape bonsai, and was praised by Vice Prime Minister Gu Mu as “one of the best in central Guizhou”.

2. Baihua Lake Scenic Area

In March 1987, it was approved by the Guizhou Provincial People's Government as a provincial scenic area. The water surface area of ??Baihua Lake reaches 10.96 square kilometers at normal water levels. In the first stage, it will reach about 15 square kilometers, which is twice the water surface area of ??West Lake in Hangzhou. It ranks third after Hongfeng Lake and Wujiang Reservoir among the built reservoirs in our province.

Baidu Encyclopedia-Guiyang