Climate

Jiuquan has a dry continental climate of semi-desert. It is dry and rains less. It is cold in winter, hot in summer, cool in Autumn and windy and dusty in Spring. The highest air temperature reaches 40'c+ and the lowest air temperature drops36.6'c-. Total rainfall averaged annually remains less than 100mm. There are 62 rainy days in annual average, concentrating in period from June to October. The evaporation averaged annually is 2,141.4mm, which is 27 times of the annual rainfall. Sunshine time of annual average is 305.4 hours and annual percentage of sunshine is 69 and over, 78% in October. There are annually 127-158 days of frost-free period.