Hefei is located in the mid-latitude zone, which belongs to subtropical monsoon humid climate, with obvious monsoon, distinct four seasons, mild climate and moderate rainfall. The annual average temperature is 15.7℃, the annual average precipitation is about 1000 mm, the annual sunshine time is about 2000 hours, the annual average frost-free period is 228 days, and the average relative humidity is 77%.
By 2022, Hefei * * * will govern 4 districts and 4 counties, 1 county-level city, with a total area of 1 1445 square kilometers. By the end of 20021,the resident population of Hefei was 9.465 million.
The geographical environment of Hefei
Hefei is located in the east of China, in the middle of Anhui Province, between Jianghuai and the west wing of the Yangtze River Delta. It runs through the east and west, runs through the north and south, is surrounded by mountains and lakes, and lives near the river, between 30 57' ~ 32 32' north latitude and116 41'~17 58' east longitude. It is connected to Lu 'an in the west, Huainan in the north, Chuzhou in the northeast, Maanshan and Wuhu in the southeast, Anqing and Tongling in the southwest. Total area 1 1445 square kilometers, of which the area of municipal districts 1339 square kilometers.
Hefei is surrounded by Chaohu Lake. There are three landforms in the territory: hilly land, low hills and low-lying plains, with hilly land as the main landform. The elevation of the whole city is mostly between15 and 80m, with an average elevation of 20-40m. The terrain of the main city is inclined from northwest to southeast, and the hills are undulating. The southwest belongs to Dabie Mountain, and the highest elevation is Niuwangzhai, 595 meters above sea level in the west of the city.
Reference to the above content: Baidu Encyclopedia-Hefei City