When is the coldest weather in Beijing history?

The lowest temperature in Beijing in winter is as low as MINUS 20 degrees Celsius.

Average temperature in winter: 2℃ to -5℃, and it is even colder in June, 5438+February. The temperature is 2-5℃ during the day and around 0℃ at night. Every year, 65438+February 2 1 or 22 is the winter solstice solar term, which also opens the curtain of the cold winter in Beijing.

Beijing's climate is a typical semi-humid continental monsoon climate in the north temperate zone, with high temperature and rainy summer, cold and dry winter and short spring and autumn. The frost-free period of the whole year is 180 ~ 200 days, which is shorter in the western mountainous area.

In 2007, the average rainfall was 483.9 mm, which is one of the most rainy areas in North China. The seasonal distribution of precipitation is very uneven. 80% of the annual precipitation is concentrated in June, July and August in summer, and there are heavy rains in July and August.

Extended data:

The topography of Beijing

The mountainous area of Beijing is 10200 square kilometers, accounting for 62% of the total area, and the plain area is 6200 square kilometers, accounting for 38% of the total area. The terrain of Beijing is high in the northwest and low in the southeast. The average altitude in Beijing is 43.5 meters. The elevation of Beijing plain is 20 ~ 60m, and that of mountainous area is generally 1000 ~ 1500m.

West of Beijing is Xishan Mountain, which belongs to Taihang Mountain range. The northern and northeastern parts of Du Jun belong to the Yanshan Mountains. The highest mountain is Dongling Mountain in Mentougou District, western Beijing, with an altitude of 2303 meters. The lowest land is the southeast border of Tongzhou District.

The two mountains intersect at Nanguan, forming a semicircle mountain bend spreading to the southeast, which is called "Beijing bend", and the small plain around it is the Beijing small plain. As the ancients said: "The land of Youzhou has the sea on the left, the Taihang Mountain on the right, the Yongjiang River in the north, the big river in the south and the land of abundance."