What month does it usually snow in Zhangjiagang?

From February 65438 to the following year 10.

Zhangjiagang City is located in the south bank of the lower reaches of the Yangtze River, belonging to the humid monsoon climate zone in the south of the north subtropical zone, with mild and humid climate, distinct seasons, abundant rainfall and long frost-free period. Winter is controlled by Eurasian air mass, the weather is cold and dry, and it is easy to snow.