The weather in Wuxi all year round

I'm from the north. I went to university in Wuxi, and I was deeply impressed: generally speaking, the climate in Wuxi is warm and humid. The rainy season in spring is difficult, and it often rains. It is mainly humid in summer, and sultry autumn should be the best. It is cold in winter, because there is no heating, sometimes it is colder inside than outside.