What thickness clothes do you need to wear in various seasons in Hangzhou, Zhejiang?

Spring generally warms up in May (20 to 30 degrees), and summer generally lasts from June to September (depending on the situation of autumn tigers). Autumn is quite short (10.165438+ 10 month), and winter is 65438+mid-February and 65438+10 month. You should wear down jacket (but you can still wear cotton-padded clothes)