The local customs, terrain and climate of Jiaxing, Zhejiang
Jiaxing City is located at the southern edge of the North Subtropical Zone and belongs to the East Asian monsoon area. The winter and summer monsoons alternate significantly, with four distinct seasons. The temperature is moderate, the rain is abundant, the sunshine is sufficient, and the weather is wet in spring, hot in summer, dry in autumn, and cold in winter. Because it is located at mid-latitudes, the hot, humid and rainy weather in summer is much shorter than the dry weather in winter.
The annual average temperature is 15.9℃. January is the coldest, with a monthly average temperature of 3.6℃; the extreme minimum temperature -11.9℃ occurred on January 31, 1977; July is the hottest, with a monthly average temperature of 28.1℃; the extreme maximum temperature is 39.4℃, which occurred in August 1953 26th; the average daily temperature stabilizes and passes 10℃. The first day of recovery is April 1st, and the average end date is November 18th; the average last frost day is March 27th, and the average first frost day is November 13th. The frost-free period is 230 days; the average first ice day is November 27.
The average annual precipitation is 1168.6 mm. The maximum annual precipitation of 1,720 mm occurred in 1954; the minimum annual precipitation of 757 mm occurred in 1978. There are three obvious precipitation periods throughout the year, namely spring rain from April to May; plum rain from June to July and autumn rain in September; January is the month with the snowiest snow.
The average annual sunshine is 2017 hours. Among them, July and August are the most abundant, with average monthly sunshine of 239 and 241 hours respectively; January and February are the least, with average monthly sunshine of 134 and 124 hours respectively; the annual average evaporation is 1313 mm; the annual average relative humidity is 81%.
The main disastrous weather includes heavy rain, continuous rain, drought, cold wave, heavy snow, heavy fog, high temperature and typhoon tropical cyclone. Jiaxing City is located in the northeastern part of Zhejiang Province and the heart of the Hangjiahu Plain in the Yangtze River Delta. It is one of the important cities in the Yangtze River Delta and is listed as a coastal economic opening area approved by the state. The city is located between 120°18′ to 121°16′ east longitude and 30°21′ to 31°2′ north latitude. It faces the sea to the east, Qiantang River to the south, Taihu Lake to the north, Tianmu Tiao River to the west, and the Grand Canal runs through the territory. . The city is located at the intersection of rivers, lakes and rivers, straddling the throat of the Taihu Lake South Corridor. It is connected to Shanghai to the east, Suzhou to the north, Huzhou to the west and Jiaxing to the south, all less than 100 kilometers apart. The whole territory is connected to Ningbo, Shaoxing, Zhoushan and other places across Jiaxing Bay. The network of railways, highways and waterways is intertwined and extends in all directions, making the transportation very convenient.
The city's land area is 92 kilometers long from east to west, 76 kilometers wide from north to south, and has a land area of 3,915 square kilometers, including 3,477 square kilometers of plains, 328 square kilometers of water, 40 square kilometers of hills and mountains, and 4,650 square kilometers of sea areas. .
The urban terrain is low and flat, with an average altitude of 3.7 meters (Wusong elevation). Xiuzhou District and northern Jiashan are the most low-lying. The ground elevation is generally between 3.2 and 3.6 meters, and some lowlands are 2.8 and 3.0 meters. . There are more than 200 hills in the city, scattered along the north bank of Jiaxing Bay of the Qiantang River. Most of them are below 200 meters above sea level. The highest point in the city is Gaoyang Mountain, located at the junction of Haiyan and Haining. The city is a shallow saucer-shaped depression on the edge of Taihu Lake. The terrain slopes roughly from southeast to northwest. Due to thousands of years of human reclamation and development, the plain is divided by the criss-crossing Tangpu River canals. Fields, land, and water are crisscrossed, forming a "Six fields, one water and three parts of land", a three-dimensional topographic structure of dry land planting mulberry, paddy field growing grain, lake pond fish farming, obvious artificial landforms, rich characteristics of the water town.