What are the climatic characteristics of Nanjing?

Nanjing has a humid climate in the north subtropical zone, with four distinct seasons and abundant rainfall. Annual average rainfall 1 17 days, average rainfall 1 106.5mm, relative humidity 76%, frost-free period 237 days. The rainy season is from late June to early July every year. The annual average temperature is 15.4℃, and the annual extreme temperature is the highest 39.7℃ and the lowest-13. 1℃.

Nanjing enters spring in April 1, summer in June 8 and autumn in September 18. Winter is about 165438+ 10/2. Nanjing is short in spring and autumn, long in winter and summer, and the temperature difference between winter and summer is significant.

natural resource

Nanjing, located in the north subtropical zone, is rich in modern plant resources and has a wide variety of plants. The forest coverage rate is 29.6%, the green coverage rate of the built-up area is 45%, and the per capita public green area is 13.7 square meters, ranking the top three in China. It is one of the four major garden cities in China and is known as the "Green Capital".

There are nearly 50 species of deciduous broad-leaved forests such as Quercus acutissima, Quercus variabilis, Liquidambar formosana, Toona sinensis and Tilia amurensis, and evergreen broad-leaved trees such as Cyclobalanopsis glauca, Castanopsis sclerophylla and Ilex. There are 40 kinds of wild medicinal plants such as Polygonum multiflorum Thunb. The national protected animals include Chinese sturgeon, baiji dolphin, Chinese alligator, river deer, finless porpoise, mandarin duck, long-eared osprey and short-eared osprey.