Characteristics of cold dew

The characteristics of cold dew are as follows:

Cold dew is one of the 24 solar terms in China. Cold dew, lower temperature, condensed dew in the air, and gradually chill. In ancient China, "dew" was considered as a sign that the weather turned cold. Mid-autumn's "White Dew" solar term is "dew condensation and white". By mid-autumn's "cold dew", it is already "dew cold and will condense" into frost. )

After the cold dew came, the temperature dropped significantly and the dew on the roadside increased. Cold dew, on the surface, is the increase of dew, cold, indicating that the temperature will drop sharply at this time. It was late autumn in northern China, with white clouds and red leaves. Autumn clothes in the south are getting thicker.

In ancient times, dew was considered as a sign that the weather turned cold. The solar term of the Mid-Autumn White Dew is "dew condenses white", and when it is cold in autumn, it is already "dew is cold and will condense into frost". 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 mercury column to rise above 30℃, while the minimum temperature can be reduced to 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. Thousands of miles away, first frost and Wan Li are snowing, which is very different from autumn in South China.

Cold dew introduction:

It is the seventeenth solar term among the twenty-four solar terms and the fifth solar term in autumn. Fight with each other; 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. Controlled by cold and high pressure, it is warm during the day, cool at night and crisp in autumn during the day. 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 area in the north has shown the scene of winter. The traditional customs of cold dew mainly include enjoying maple leaves, eating sesame seeds, eating crabs and drinking autumn tea.