Jiuquan Outlook
Jiuquan City has a semi-desert arid climate, characterized by arid climate with little precipitation, strong evaporation and long sunshine, large temperature difference between cold winter and hot summer, cool autumn and dry wind and sand in spring. Temperature: The lowest temperature is minus 31.6℃, the average annual temperature is 7.9℃, and the temperature difference between day and night is large. The dominant wind direction throughout the year is southwest wind, followed by east wind and northwest wind. The maximum wind speed is 26 m/s, and the average wind speed is 2.3 m/s. The average annual rainfall is 84 mm, and the maximum rainfall is 158 mm, concentrated in June to October, with an average annual rainfall of 62 days. The annual average evaporation is 2141.4 mm, 27.3 times more than the rainfall. Relative humidity: 56% maximum, 46% annual average. Snow: The maximum snow depth is 14 mm. The depth of frozen soil at the coldest time is 1.32 meters, and the freezing period is generally from November to April of the following year. The annual average sunshine hours is 3056.4 hours, the sunshine percentage averages 69%, and it reaches 78% in October.