Which cities have a humidity of 45% in winter?

Haikou and Kunming, according to the weather network.

Haikou 1, Haikou is located in Hainan Island. Due to the geographical location of Hainan Island, there is a lot of water vapor in the air in winter, which is affected by cold air. Low temperature makes water vapor difficult to evaporate, resulting in high humidity, which is 45%. So the city with 45% humidity in winter is Haikou.

2. Kunming, Kunming has a high temperature in winter, and the water vapor in the air is not easy to condense into rain, but exists in the air in the form of water vapor, forming a relatively high humidity of 45%, so the city with a humidity of 45% in winter has Kunming.