Should Xuzhou wear down jacket in February?

No need. The weather in official website, Xuzhou shows that the average temperature in Xuzhou in February is -0℃~9℃. During the day, the average temperature is 9℃. You can wear warm clothes such as suits, jackets, windbreakers, casual clothes, jackets, suits and thin sweaters, so you don't need to wear down jackets in February. Xuzhou is one of the Kyushu in Chinese culture. There is only Xuzhou in the sea, Dai and Huai. According to legend, Dayu divided the world into Kyushu when he was in charge of water control, and Xuzhou was one of Kyushu in Xia and Shang Dynasties.