Is it cool after summer?

After the summer solstice, the weather will gradually turn cold, because the sunshine time will gradually shorten, the winter solstice will be the coldest, and the temperature will gradually increase in the future. Usually in the northwest, it gets cold gradually from September. In the northeast of China, the weather starts to get cold from July to August.

The industrious and wise ancients had figured out the changes of the four seasons long ago, and set 24 solar terms and such solar terms as dog days and three or nine days to arrange production and life. Nine cold days are the representative of cold weather, and the coldest period in 20021year is also at this time. ?

Seasonally, winter is the coldest period of the year, and the temperature is the lowest in three or nine days of the nine winters. So the coldest time of 202 1 is Sanjiu. Before you go out, you should watch the weather, and you'd better put on clothes in case you catch a cold and get sick.

Generally speaking, beginning of autumn only represents the arrival of autumn in the astronomical sense, not in the meteorological sense. Therefore, it will be very hot after beginning of autumn. Beginning of autumn time in 2020 is August 7th, which is in the middle of the dog days (July 26th, 2020-August 20th, 2020 14). The dog days are the hottest time of the year, and the hottest stage is in the middle of the dog days. ?

In addition, the southern part of China is still in high temperature in summer at the beginning of the autumn solar term, and the temperature is even higher with the gradual disappearance of typhoon and storm seasons. The hot weather after beginning of autumn may subside after the summer vacation, and the summer vacation in 2020 will be hotter on August 22nd, that is, at least half a month after beginning of autumn.