What are the characteristics of the first frost? Introduction to the characteristics of first frost

1. The main climate feature in autumn is dryness, and the temperature gradually turns cold. However, after the first frost, the temperature difference between day and night is even greater. It is very cold in the morning and evening and very hot at noon. Autumn dryness is obvious. After the first frost, the plants gradually lost their vitality and the land was desolate.

2. After the first frost, the temperature difference between day and night is bigger, it is very cold in the morning and evening, and it is very hot at noon. Autumn dryness is obvious. After the first frost, the plants gradually lost their vitality and the land was desolate.

3. In the area south of south latitude, the average temperature is about 65438 06℃, and there are three solar terms before the first frost day. In the first frost season, the cool autumn wind blew to Guangzhou, the flower city. The average temperature in northeast China, eastern Inner Mongolia and most parts of northwest China has been below 0℃.