What should northerners pay attention to when they adapt to the weather in Shanghai?

Shanghai is different from the north. Although the winter temperature in Shanghai is not as low as that in the north, it is wet and cold, and the air is wet and icy. Summer is very hot, Huangmei is still stuffy, and the air pollution is quite serious. Take more clothes. If not, you can buy some in Shanghai. You can ask your classmates in Shanghai after you come.