Weining Yi, Hui and Miao Autonomous County, which belongs to Bijie City, Guizhou Province, is the largest ethnic autonomous county in Guizhou Province. Located in the northwest of Guizhou Province, it is adjacent to Yunnan Province in the north, west and south. The county government is located in Caohai Town. It governs 6 streets, 19 towns, 15 townships and 1 ethnic townships. Located at103 36 ′ ~104 45 ′ east longitude and 26 36 ′ ~ 27 26 ′ north latitude, bordering Yunnan Province in the west, south and north respectively, it is the transportation hub of Yunnan, Guizhou and Sichuan provinces with a total area of 6,298 square kilometers.

Weining Yi, Hui and Miao Autonomous County is the "source of the four rivers", with the central part open and gentle, the surrounding terrain is low, the peaks are staggered and the rivers are gurgling. It belongs to subtropical monsoon humid climate, with annual sunshine hours 18 12 hours, frost-free period 180 days, annual rainfall of 926 mm, small annual temperature difference, large daily temperature difference, warm winter and cool summer, and average summer temperature 18 degrees.

Introduction of geographical environment in Weining Yi, Hui and Miao Autonomous County;

1, landform

Weining Yi, Hui and Miao Autonomous County, with an average elevation of 2,200 meters, is the county with the largest area and the highest elevation in Guizhou Province. Wumeng Mountain runs through the county, during which four peaks of more than 2,800 meters stand; The central part of the county is open and gentle, surrounded by low peaks and valleys and gurgling rivers, which is the "source of the four rivers" (that is, the birthplace of Wujiang River and Hengjiang River, the western and eastern sources of Niulan River, and the northern source of the Pearl River).

2. Climate

Weining Yi, Hui and Miao Autonomous County belongs to subtropical monsoon humid climate, with annual sunshine hours 18 12 hours, frost-free period 180 days, annual rainfall of 926 mm, small annual temperature difference, large daily temperature difference, warm winter and cool summer, and average summer temperature 18 degrees. The geographical characteristics of low latitude, high altitude and plateau platform make the light energy resources and wind power resources here the highest in Guizhou.

Weining County was also named "Sunshine City" by the meteorological circles because the average sunshine hours per year was 18 12 hours. The climate is characterized by four distinct seasons, mild wind in spring, no severe cold in winter, no heat in summer, abundant rainfall, the same season of rain and heat, high humidity, obvious monsoon climate, long frost-free period, great vertical difference and obvious three-dimensional climate.

Reference to the above content: Baidu Encyclopedia-Weining Yi, Hui and Miao Autonomous County