@@I concern the weather of Shanghai China.

Shanghai weather is generally mild and moist, with four distinct seasons - a pleasant warm spring, a hot rainy summer, a comfortable cool autumn and an overcast cold winter.The spring from March to May is recommended as the best time to travel Shanghai and Huangshan.

Thank you for your answer. In What average temperature in (C), between the month of March to May in Shanghai and Huangshan China?

The average temperature is about 10~20C from March to May both in Shanghai and Huangshan. It gets higher and higher ranging from 5~26C.