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The Sahara desert by two kinds of climate conditions, is dominated by north subtropical climate is dry, dry southern tropical climate. Subtropical climate is dry characteristics of annual and daily temperature changes amplitude, cold in winter and cool to the hot summer to the top of the precipitation. The average day temperature in about 20 degrees Celsius in amplitude (68 degrees f). Winter temperatures average for 13 degrees Celsius (55 degrees f). Summer heat. Libya, and Aziziyah - capped Al () the highest temperature was reached a record 58 degrees Celsius (136 degrees f). Annual precipitation for 76 millimeters (3 inches) of rain, though, most great changes in rainfall occurs during March 12. Another climax precipitation is August, for its characteristics in thunderstorms form. The rain can cause huge BaoHong into the area without rain phenomenon. Tropical climate characteristic of drought as the position of the sun has a very strong in temperature cycle, Mild winters and hot dry after a season of drought repeated changeful xia . The Sahara desert drought in tropical areas for the average day temperature 17.5 degrees Celsius (31.5 degrees f). Most of the average temperature and the northern LengYue subtropical region basic same, but not so large temperature. Late spring to early summer is very hot , 50 ° c (122 degrees f) temperature is not rare. Although the annual precipitation drought tropical hills are small, low rainfall can reach the highest summer time. In the north, this kind of rainfall, most are thunderstorms manner. Average annual rainfall about 125 millimeters (5 inches), middle hills snow sometimesfall. The edge of the desert of cold canary currents reduced temperature, thus reducing the convection rain, but also sometimes appear to increase humidity mist. South of the Sahara desert winds blowing winter is MaiDan ha, this is with sand and other small motes of DongBeiFeng dry.