The weather in Beijing will change within a year.
Summer: Summer is hot and hot, and precipitation is concentrated, forming the same season of rain and heat. In summer, except in mountainous areas, the average monthly temperature in plain areas is above 24℃. Although the hottest month is not June, the extreme maximum temperature mostly occurs in June, and the extreme maximum temperature in June 196 1 day is 43.5℃. July is the hottest month in a year, with an average temperature close to 26℃, a continuous and stable high temperature and a small temperature difference between day and night. Summer precipitation accounts for 70% of the annual precipitation, mostly in the form of heavy rain. The maximum daily precipitation in this city reaches 479 mm (1July 27, 972). So it is prone to flash floods, and the plains cause floods. Rainstorm is one of the main natural disasters in Beijing in summer. In addition, the strong thermal convection in mountainous areas has caused local thunderstorms accompanied by hail, which has caused certain losses to agriculture.
Autumn: the weather is crisp, the temperature is suitable and the light is sufficient. After autumn, the cold air in the north began to invade and the temperature dropped rapidly. Therefore, the early arrival of the first frost often happens.
Winter: the cold is long. Winter lasts for five months, and if the average temperature is below 0℃, it lasts for three months (1February-February). In the winter of 65438+ 10, the average temperature in the plain is below -4℃, in the mountainous area it is below -8℃, and the extreme minimum temperature in the plain is -27.4℃. Winter precipitation accounts for 2% of the annual precipitation, and there is often no record of precipitation (snow) for more than one month. Although it is cold and dry in winter, there is plenty of sunshine, averaging more than 6 hours a day, which creates favorable conditions for the development and utilization of solar energy.