What is the regional climate type of Dunhuang? What are the climatic characteristics that affect production and life?

Most of them belong to temperate continental climate. The obvious characteristics are dry climate, less rainfall, large evaporation, large temperature difference between day and night and long sunshine time. The average annual precipitation is 39.9 mm, the evaporation is 2486 mm, and the sunshine hours are 3246.7 hours. There are four distinct seasons here, warm and windy in spring, hot in summer, cool in autumn and cold in winter. The annual average temperature is 9.4℃, the monthly average maximum temperature is 24.9℃ (July), the monthly average minimum temperature is-9.3℃ (65438+1October), the extreme maximum temperature is 43.6℃, the minimum temperature is -28.5℃, the annual average rainfall is 39.9 mm, the evaporation is 2490 mm, and the annual average frost-free period is/.

There are three dangerous mountains in the east, Mingsha Mountain in the south, desert in the west, connected with Taklimakan, Gobi in the north and connected with the remaining veins of Tianshan Mountain. It is high in the north and south, low in the middle and inclined from southwest to northeast. The average elevation is less than 1200m, and the urban elevation is 1 138m. Danghe alluvial fan belt and Shule River alluvial plain constitute Dunhuang inland plain. Endless deserts and large oases have formed unique natural features. Oasis area spreads from southwest to northeast in a fan shape. Because it is located inland, its obvious characteristics are dry climate, less rainfall, large evaporation, large temperature difference between day and night and long sunshine time.