All in all, Beijing is a dry city.If you come to Beijing for the first time, your lips will feel very dry and uncomfortable. Normally, May, Sept and Oct are the best season for sightseeing. July and August are in the rainy season. June, July and August are the two humid months and people feel closed and uneasy due to the humid & hot weather. December, January and February are cold above freezing and sometime coupled by strong winds. As for the lter March and April, sandstorms sometimes reach Beijing and make Beijing’s sky orange and force most people indoor to keep from the sands.Things are becoming better with the planting of more treees around Beijing.