Characteristics of the Cold Dew solar term:

1. The temperature drops quickly. After the autumn wind and autumn rain brought by a strong cold air, the temperature drops by 8℃ or 10℃. common.

2. Foggy days increase, and the temperature drops significantly. Whenever it encounters autumn rain, the abundant water vapor in the air quickly reaches saturation, and sometimes rain and fog mix or there is heavy fog after rain.

3. There is continuous autumn rain in the southwest and little sunshine.

4. It is entering late autumn, and heavy snowfall begins to occur in the higher plateau mountainous areas of western Sichuan.

The symbol of cold dew

Cold dew is the seventeenth solar term among the twenty-four solar terms and the fifth solar term of autumn. Dou Zhi Wu; the sun reaches 195° of the ecliptic longitude; the festival occurs between October 7 and 9 of the Gregorian calendar every year.

Cold Dew is a solar term that reflects the characteristics of climate change. After the Cold Dew solar term, the days become shorter, the nights become longer, the sunshine decreases, the heat slowly recedes, and the cold gradually arises. The temperature difference between day and night is larger, and the temperature is slightly lower in the morning and evening. Feeling the slightest chill. From the perspective of climate characteristics, during the cold dew season, autumn is getting stronger in the south, the air is cool and windy, and there is little rain and dryness; the vast areas in the north have entered late autumn or are about to enter winter.