The postal code of Huaian, Jiangsu is 223001.
Huaian is located in the north-central part of Jiangsu Province, east of the Jianghuai Plain. Located in the Yangtze River Delta region, it is an important central city in northern Jiangsu, a closely connected city in the Nanjing metropolitan area, and the first city in the Huaihe Ecological Economic Belt. It is located at the intersection of the ancient Huaihe River and the Beijing-Hangzhou Grand Canal.
Huaian is located on the "Qinling-Huaihe River" line that divides China's north and south. It has the fourth largest freshwater lake in China, Hongze Lake. It is a national civilized city, a national historical and cultural city, a national health city, a national garden city, National Environmental Protection Model City, National Low-Carbon Pilot City, and China’s Excellent Tourism City.
Climate characteristics of Huai'an, Jiangsu:
1. Huai'an has both north and south climate characteristics. Generally speaking, the area south of the Northern Jiangsu Irrigation Canal has a northern subtropical humid monsoon climate. The northern region has a north temperate semi-humid monsoon climate.
2. Affected by the monsoon climate, there are four distinct seasons, concentrated rainfall, hot and rain in the same season, cold winters and hot summers, changeable spring temperatures, crisp autumn air, sufficient light energy, and abundant heat.
3. Huai'an has a temperate monsoon climate, with an average annual temperature between 13.6 and 14.7°C. The total annual solar radiation in the city is between 110 kcal/cm2 and 119 kcal/cm2, and the city's distribution is more in the north and less in the south; the city's annual sunshine hours are between 2136 hours and 2411 hours, and the distribution of sunshine hours is also The north is more and the south is less.