202 1 cold dew, when is 202 1 cold dew?

1. The temperature is low, the air is dewy and cold.

2. The cold dew solar term begins at the end of the first ten days of 10. The direct point of the sun continued to move southward in the southern hemisphere, and the angle of sunlight in the northern hemisphere began to tilt obviously. The solar heat received by the ground is obviously less than that in summer, and the influence of cold air can sometimes be extended to South China.

There is a saying in Guangdong: "After three dynasties of cold dew, you need to find a bridge after crossing the water", which means that the weather is getting cold, but you can't wade across the river or the fields barefoot as before.

4. It can be seen that during the cold dew period, people can obviously feel the seasonal changes.

More regions and more people began to use the word "cold" to express their feelings about the weather.

6. If the "White Dew" solar term marks the change from hot to cold, then the summer heat has not completely disappeared, and crystal dew can still be seen in the morning.

7. Then the "cold dew" solar term is a symbol of cold weather, marking the transition from cool to cold, and dew is everywhere. As the saying goes, "Coody Leng is full of cold dew".

8. The sudden drop in temperature is a feature of cold dew solar terms.

9. It is common for the temperature to drop by 8℃ and 10℃ after the autumn rain brought by a strong cold air.

10. However, most stormy weather does not last long (except West China). Under the control of cold and high pressure, the days are warm and the nights are cool, and the autumn is crisp.

1 1. "Twenty-four solar terms" says: "In September, the dew is cold and will condense.

12. "Cold dew means that the temperature is lower than that of the white dew, and the dew on the ground is colder and will soon condense into frost.

13. Cold dew is a sign that the weather is getting colder and colder, and it also means the official start of the autumn season.