The climate of Tianshui, Gansu

Tianshui City has a temperate monsoon climate, and the area near the city has a temperate semi-humid climate. The area south of the Sucheng-Liyuan line belongs to the northern subtropical zone, with an average annual temperature of 11°C. The frost-free period is 185 days. The hottest month, July, has an average temperature of 22.8°C; the coldest month, January, has an average temperature of -2.0°C. From September to November every year, it is the best tourist season in Tianshui City. The average annual precipitation is 491.7 mm, gradually decreasing from southeast to northwest.

The annual rainfall in the southern subtropical forest area is 800-900 mm, the rainfall in the central and eastern mountainous areas is more than 600 mm, and the rainfall in the northern part of the Weihe River is less than 500 mm. The average annual sunshine is 2,100 hours. Weibei is slightly higher than the Guanshan Mountains and the Wei River Valley, with a sunshine percentage of 46-50%. Spring and summer account for 26.6% and 30.6% of the annual sunshine respectively, and winter accounts for 22.6%. The extreme maximum temperature is 38.2℃ and the extreme minimum temperature is -17.4℃.

Extended information:

The terrain of Tianshui is high in the northwest and low in the southeast. The altitude is between 1000 and 2100 meters. The average altitude of the urban area is 1100 meters. The highest peak, Tianye Liang, is 3120 meters; the lowest point, Niubei Village, is 760 meters above sea level. Tianshui landforms have obvious regional differentiation. The eastern and southern parts were uplifted by ancient stratigraphic folds, forming mountainous landforms.

Due to geological subsidence and the deposition of red and loess layers in the north, the loess layer was deposited and the loess hilly landform was formed. A small part of the central area was fractured by the zonal structural belt, forming the Weihe Graben. After Quaternary river division and erosion accumulation, the Weihe River Valley landform was formed.

The north is the Huangtuliang Maogony Area. The Wei River and its tributaries traverse it, forming basins and valley terraces with alternating wide valleys and canyons. The soil in rivers and valley areas is silt soil and meadow soil formed by impact and alluvial deposits. After reclamation and cultivation, it matures to form cultivated soil mainly composed of loess soil and black loam soil.

With deep soil and wide plateaus, it is a major production area for grain, oil, vegetables and fruits. The central and eastern parts are the Qinling Mountains and Guanshan Mountains. The West Qinling Mountains are mainly composed of Jinhuang Mountain, Yunwu Mountain, and Jingdongliang in the west; the Xiaolong Mountain and Longshan Mountains are mainly composed of Bagua Mountain, Huoyan Mountain, Qinling Dabao, and Guan Mountain in the east.

Reference: Baidu Encyclopedia - Tianshui