Yulin City is one of the areas with high sunshine value in China. The maximum amount of sunshine is in winter (December to January of the following year), and slowly decreases month by month in spring and summer to the minimum in late summer and early autumn (July to September). , growing rapidly from Mid-Autumn to Winter.

The temperature is obvious in four seasons. The temperature in spring is higher than that in autumn. The temperature rises quickly and unstable in spring, and the temperature drops rapidly in autumn. In winter, it is controlled by the cold air mass from the north. The air pressure is high, the weather is sunny, and there are many high clouds. The average temperature in winter is -7.8~ 4.1℃, the temperature changes gradient is large, and the gradient direction is from southeast to northwest. From late October to early April of the following year, the ground is frozen. In general, the depth of frozen soil is 1 to 1.2 meters. After spring, the temperature rises significantly, with an average daily temperature increase of about 0.2°C. However, the cold and dry air mass from the Siberian polar region continues to invade southward, making the spring temperature very unstable.

Extended information:

Yulin City is located in the northernmost part of Shaanxi Province, bordering Gansu and Ningxia to the west, Inner Mongolia to the north, facing Shanxi across the Yellow River to the east, and bordering Yan'an City of Shaanxi Province to the south. . Geographical coordinates: 36°57′～39°35′ north latitude, 107°28′～111°15′ east longitude. The administrative division layout of Yulin City is shaped like a triangle.

The eastern end of Yulin is Duanzhai Village, Huangfu Township, Fugu County, the northernmost end is Liujiapo Village, Gucheng Township, Fugu County, the westernmost end is Liumaoyuan Township, Dingbian County, and the southernmost end is Baima, Dingbian County The important town of Tiejiao City.

The maximum length from east to west is 309 kilometers, the maximum width from north to south is 295 kilometers, and the total area is 43,578 square kilometers

Baidu Encyclopedia-Yulin