Is it cold in winter in Hefei, Anhui?

Winter in Hefei, Anhui Province is not too cold. The lowest temperature in winter is about 0 degrees in the morning and evening, and the lowest temperature at noon is about 5 degrees. It seldom snows in Hefei, so compared with the winter weather in the north, the winter in Hefei is relatively warm. Hefei is located in the mid-latitude zone and belongs to the 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%. ?

1, Overview of Hefei, Anhui

Hefei, the capital of Anhui Province, is one of the core cities in Wanjiang City Belt and the sub-central city of Yangtze River Delta urban agglomeration. It is located in the middle of Anhui Province, between East China and Jianghuai, around Chaohu Lake, with Chuzhou City and Maanshan City in the east, Wuhu City and Anqing City in the south and west. Lu 'an, north of Huainan. Hefei was a land of Huaiyi in ancient times, which was called by Shang Dynasty? Tiger side, the Western Zhou Dynasty called Yi Tiger. This is the capital of Luzi State in the Zhou Dynasty. ? In the twenty-sixth year of Qin Shihuang, the enfeoffment system was abolished and the county was built, which belonged to Hefei? Jiujiang county. 1949, peaceful liberation of Hefei county; In February, Hefei set up a city. 1952, Anhui provincial people's government was established in Hefei.

2. Topography

Hefei has three landforms: hills, low hills and low plains, mainly hills, and the Jianghuai watershed runs through the whole territory from west to east. 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; Southwest belongs to Dabie Mountain. The highest altitude is 595 meters, located in Niuwangzhai in the west.

3. Hydrological situation

The surface water system in Hefei is relatively developed, with the Jianghuai watershed as the boundary and Lingbei as the boundary. Huaihe River system, Lingnan is the Yangtze River system. The Huaihe River system mainly includes Dongfeihe River, Hepei River and Chihe River, and the Yangtze River system mainly includes? Nanfeihe, Paihe, Fengle, Hangbu, Chuhe, Yuxi, Zhao He, Gao Zhe, Baishi Tianhe and Xihe. Chaohu Lake is one of the five largest freshwater lakes in China. It is 54.5 kilometers long from east to west and 2 1 km wide from north to south, with a water area of 770 square kilometers. It is called "800 Li Chaohu Lake", and the bottom of the lake is 5 meters above sea level. The amount of water varies with the height of water level. When the water level reaches14m, the water storage capacity is 6.37 billion cubic meters.