Climate of Tibet
The climate of Tibet differs greatly in different areas. In southeastern Tibet, the climate is gentle and temperate with an average temperature of eight degrees, in western Tibet, the average temperature is below zero degrees, while in the central Tibet the climate is pleasant. Temperatures tend to vary greatly within a single day in Tibet. July to September is the rainy season with half of the annual rainfall taking place in July and August. Winters (November to March) are cold with an average temperature of -4 degree Celsius. Most businesses shut down during winter because of the extreme cold. Summers (May to September) are warm with strong sunshine and cool nights. However, at highlands, even summer days are chilly. The best time to visit the roof of the world is spring, early summer and late autumn.