In which month is the coldest weather in Beijing?

The coldest month in winter in Beijing is 65438+February-February.

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.

Beijing 165438+ October has entered the winter. It will not pick up until March. The coldest time in Beijing is 65438+ 10 month. The average temperature in Beijing in 65438+ 10 is about 3℃ during the day and -6℃ at night. The coldest time in winter is generally "March 9" and "April 9", both of which are 65438+ October.

Climatic environment in Beijing:

Beijing's climate is a warm temperate semi-humid semi-arid monsoon climate, 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.

The annual average solar radiation in Beijing is 1 12 ~ 136 kcal/cm. The two high-value areas are distributed in Yanqing Basin and the area from the northwest of Miyun County to the east of Huairou, with annual radiation above 135 kcal/cm. The low-value area is located near Xiayunling in Fangshan District, and the annual radiation is 1 12 kcal/cm.

The average annual sunshine hours in Beijing are between 2000 and 2800 hours. The maximum value is over 2800 hours in Yanqing County and Gubeikou, and the minimum value is distributed in Xiayunling and Rizhao for 2063 hours.

In summer rainy season, the sunshine hours are reduced, and the monthly sunshine hours are about 230 hours. Although the sunshine hours in autumn are not as much as those in spring, they are more than those in summer, with a monthly sunshine of 230-245 hours. Winter is the season with the least sunshine hours in a year, and the monthly sunshine hours are less than 200 hours, generally between 170 ~ 190 hours.