What's the climate like in China and Guangdong (Guangzhou, Dongguan, Zhanjiang, Qingyuan and Zhongshan)? What do you usually wear in autumn and winter? Be specific!

Winter is wet and cold, with little wind, not as cold as in the north, but it will rain. Generally, they wear bottoming shirts, sweaters with different thicknesses, and cotton-padded jackets with half the thickness in the north. You can also wear a hat, but there are not enough cotton shoes. You also need a pair of cotton insoles and thick socks. Autumn, not bad. This is normal weather, but it will still be a little hot and humid. Usually it's a t-shirt, so you should take it with you.