How to protect the weather in Shanghai?

The weather in Shanghai Shanghai is located in the south of China. In spring, the weather is changeable. Sometimes it's cold, sometimes it's warm. In summer, the weather becomes hotter and hotter. The highest temperature is over 40 degrees. Autumn in Shanghai is very good. It's neither cold nor hot. Winter in Shanghai is not very cold. It seldom snows. But most children look forward to a white Christmas.