Climatic characteristics of Bai Matan town

It belongs to monsoon continental mountain climate and is greatly influenced by topography. The climate distribution in the north, south, east and west is uneven, with great differences. Its climate law is that the four seasons are obvious, the wet and dry are distinct, the winter is cold and long, and the summer is short. There are abundant heat conditions, abundant sunshine, moderate precipitation and more disastrous weather. It belongs to continental semi-humid monsoon climate. In winter, affected by Mongolian cold high pressure and polar metamorphic continental air mass, the weather is cold and dry, and precipitation is scarce. In spring, the influence of heating mass increases, the temperature rises rapidly, there are many strong winds, and the precipitation increases relatively. In summer, affected by Mongolian cyclone and Pacific subtropical ocean air mass, the weather is warm and rainy, precipitation is concentrated, and there are many showers, and the precipitation ranks first in the whole year. Cold and warm air appears alternately in autumn, and the temperature drops slowly in early autumn, with rainy weather.

Due to the terrain, the temperature difference between east, west, north and south is very large, and the annual average temperature is 7.6- 10.2℃. Among them, Fanjiazhuozi Township and Bai Matan Town are the hottest, and Baxian Township is the coldest. The average temperature in the hottest month is 265,438 0.5℃, and the extreme maximum temperature is 36.7℃. The average temperature in Leng Yue is -5.7℃, the extreme minimum temperature is -23.7℃, and the annual average temperature is 27.2℃. The frost-free period is 126- 186 days, with a difference of 60 days between north and south. The annual precipitation is about 600 mm, and the precipitation in the northwest is greater than that in the southeast. Disastrous weather mainly includes frost, drought, hail, continuous rain and so on.