Is the cold dew late autumn?

Cold dew is a solar term in late autumn.

Cold dew is the seventeenth solar term among the twenty-four solar terms and the fifth solar term in autumn. Finger e; Longitude of solar arrival195; Gregorian calendar1October 7 -9 10 every year. Cold dew is a festival in late autumn and the beginning of the full moon in the dry calendar. Cold dew is a solar term reflecting the characteristics of climate change. When entering the cold dew, there is cold air going south, the temperature difference between day and night is large, and autumn dryness is obvious.

After the cold dew, the cold air in the north has a certain influence, and most parts of China are controlled by cold high pressure, and the rainy season is over. From the climate characteristics, in the cold dew season, the autumn in the south is getting stronger, cool and cool, with little rain and dryness; The vast areas in the north have entered or will enter winter from late autumn. The traditional customs of cold dew mainly include enjoying maple leaves, eating sesame seeds, eating crabs and drinking autumn tea.

Meteorological changes after cold dew solar terms

Cold dew is a solar term reflecting the characteristics of climate change. After the cold dew solar terms, the days become shorter, the nights become longer, the sunshine decreases, the hot air slowly recedes, the cold gradually increases, the temperature difference between day and night is larger, and it feels a little chilly in the morning and evening.

From the climate characteristics, in the cold dew season, the autumn in the south is getting stronger, cool and cool, with little rain and dryness; The northeast and northwest regions in the north have entered or are about to enter winter, with thousands of miles of frost and snow falling in Wan Li, which is quite different from the autumn colors in the south.

In the cold dew season, dew increases and the temperature decreases. At this time, frost will appear in some parts of China. In the north, it is already a scene of late autumn, with white clouds and red leaves and occasional early frost. In the south, autumn is getting stronger and cicadas are dying.

At this time, the temperature in most parts of South China continued to drop. The average daily temperature in South China is less than 20℃. Even in the areas along the Yangtze River, it is difficult for the temperature to rise above 30℃, while the minimum temperature can drop below 10℃. Except for a few valley lowlands, the five-day average temperature in the northwest plateau is generally lower than 10℃, which is already winter according to the standard of four seasons climate division.