Summer Climatic Characteristics in Tibet

The main climatic characteristics of the summer months:

The main summer months the climate is characterized by abundant sunshine, cool and pleasant temperatures, precipitation concentrated, multi-night rain and hail.

Tibet's thin air dry-cleaning, good transparency, solar radiation and sunshine duration is much greater than the same latitude. Such as Lhasa, the average annual sunshine time is 3007.7 hours. Average total optical radiation 7784.2 joules / square meter, and therefore, "Solar City" reputation.

As the high altitude Tibetan plateau, the summer months and the rainy season, the warmest month average temperature of 18 ℃, mostly in the following, so the temperature is not high, cool and pleasant. The average elevation of 4,500 meters below the southeast corner and the Brahmaputra valley to 10-18 ℃, the average elevation of 4,500 meters above the plateau region Qiangtang below 10 ℃, and below 1000 meters above sea level south wing of the outer edge of the lower Himalayan Mountains, the annual average temperature ≥ 10 ℃.

Precipitation is highly concentrated in the summer months, usually accounts for 80-90% of the year. Southeastern lowlands generally increased from March rainfall, north eastern Tibet, and Tibet in mid-May and late rainy season, the Brahmaputra River from June to mid rainy season, Shigatse in the western region in late June to early July, began to enter the the rainy season, low precipitation Ali, no rainy season.

Precipitation decreased gradually from southeast to northwest, the Himalayas the windward side, precipitation up to 1000 mm, and its northern foot of a narrow strip between the Brahmaputra, but less than 300 mm of annual precipitation for the "rain shadow zone . "

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