To be honest, Tibet is one of the harshest places for human existence, due to the rather harsh climate such as thin air, insufficient oxygen, intense sunlight and ultraviolet radiation. However, it is not impossible to have a Tibet tour to the holy snow land.
Tibet located in southwest part of China with a total coverage area of more than 1.2million square kilometers, which occupies the one eighths of China. It is fertile land with rich product resources superior natural condition. Tibet is also called "the Roof of the World" because most area reaches the elevation of 5000 meters, which contains the Himalayas of 8000 meters in high and Mt. Everest of 8848 meters in high.
The diverse topography and high altitude air environment of Tibetan Plateau create peculiar climate of Tibet, such as the thin air, insufficient oxygen, intense sunlight and solar radiation. Tibet is one of areas of varies climate and also one of the summer resort of China.
The temperature is generally lower and extremes during day and night, especially exists between the southern Tibet and Northern Tibet, which hold average temperature of 8 Celsius Degrees annually, the lowest temperature could drop to -16 Celsius.
The average temperature of a month is highest in June and July, the lowest month is January.
There is much rain in south part of Tibet region but less in north part, which mostly falls in the night. The average amount of precipitation runs about 100-2500 mm annually but also reaches 4495 mm in some areas.
Most annual rainfall in Tibet comes in the summer from June to September. During this time it will usually rain at night in Lhasa, Shigatse and Chamdo areas. The rainfall may block roads and make travel difficult, but it is also one of the more beautiful seasons for sightseeing.
Tibet Climate is characteristic of thin air, insufficient oxygen, solar radiation and intense sunlight, although it situated the same latitude with the middle and lower Yangtze River basin. Besides the high elevation, less clouds and extremely solar radiation, Tibet owns most rich light energy resources in China, which is good for Tibet agriculture.