Is it cold in winter in Hefei, Anhui?

It's not too cold in winter in Hefei, Anhui Province. The lowest temperature in winter is about degrees in the morning and evening, and the lowest temperature in noon is about 5 degrees. It rarely snows, so it's relatively warm in winter in Hefei compared with the weather in the north. 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 average annual temperature is 15.7℃, the average annual precipitation is about 1 mm, the annual sunshine time is about 2 hours, the average annual 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 the Wanjiang urban belt and the sub-central city of the Yangtze River Delta urban agglomeration. Located in the middle of Anhui Province, between East China and Jianghuai, it surrounds Chaohu Lake, connects Chuzhou City and Maanshan City in the east, Wuhu City and Anqing City in the south, and depends on the west. Lu 'an City, north of Huainan City. Hefei was a land of Huai Yi 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 Zhou Dynasty. ? In the twenty-sixth year of Qin Shihuang, he abolished enfeoffment and established counties, which belonged to Hefei? Jiujiang county. In 1949, Hefei County was peacefully liberated; In February, Hefei set up a city. In 1952, the People's Government of Anhui Province was established in Hefei.

2. Topography

There are three landforms in Hefei: hilly land, low-lying hills and low-lying plains. The hilly land is the main landform, and the Jianghuai watershed runs through the whole territory from west to east. The city's altitude is mostly between 15 and 8 meters, with an average altitude of 2 to 4 meters. The terrain of the main city is inclined from northwest to southeast, and the hills are undulating; The southwest is subordinate to the Dabie Mountains. The highest altitude is 595 meters at Niuwangzhai in the west.

3. Hydrological situation

Hefei's surface water system 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, Peihe River and Chihe River, and the Yangtze River system mainly includes? Nanfeihe, Paihe, Fengle, Hangbu, Chuhe, Yuxi, Zhaohe, Zhegao, 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, 21 kilometers wide from north to south, and has a water area of 77 square kilometers. It is known as "8-mile Chaohu Lake". The bottom of the lake is 5 meters above sea level, and the water capacity varies with the water level elevation. When the water level elevation reaches 14 meters, the water capacity is 6.37 billion cubic meters.