The relationship between beginning of autumn time and temperature in dog days.

Many people may want to turn it off. After beginning of autumn, even if the dog days have passed, the weather will become cool. In fact, there is no such relationship between them. Because beginning of autumn is not equal to autumn. According to meteorology, the average daily temperature is below 22℃ for five consecutive days before it is considered as autumn.

"Dog Day" is the first, middle and last three days, and it is the hottest season in a year. It appears from mid-July to mid-August in the solar calendar every year. Its climate is characterized by high temperature, low pressure, high humidity and low wind speed.

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"After the summer solstice, the third Geng Day starts as the first day of the first Geng Day, the fourth Geng Day is the second day of the second Geng Day, and the first Geng Day after beginning of autumn is the last day (the third day of the third Geng Day), with the first ten days of the first Geng Day, the first ten days of the first Geng Day and the last ten days of the second Geng Day, and the last ten or twenty days of the third Geng Day.

Therefore, even after beginning of autumn, the dog days are not over and the last days have not yet begun, and the weather is still very hot.