Why is Hangzhou colder than Chengdu?

The average temperature in winter is 3℃ and 6℃, the average cold weather is -4℃ to 5℃, and the lowest temperature in history is-17℃ and 4℃. Hangzhou has a subtropical humid climate with warm and humid rainfall, with annual average temperature of 16℃, summer average temperature of 33℃ and 8℃, winter average temperature of 3℃ and 6℃, and annual sunshine hours of 65,438+. The historical highest temperatures in Hangzhou are 42℃ and 9℃, and the historical lowest temperatures are-17℃ and 4℃. It snows every year in Hangzhou, resulting in very low temperature. Winter in Chengdu is cold and cold. Although the temperature is not very low, it feels cold to the bone because of the high humidity. Moreover, in winter, clothes are difficult to dry thoroughly, but compared with the cold north, winter in Chengdu is still affordable, so you don't need to wear thick clothes. It seldom snows in Chengdu.