Will the frost temperature be very low in early 2022? -What's the temperature of the first frost today?
What is the first frost temperature?
Generally, the average temperature of the first frost is 10℃~20℃. The cities with the highest temperature are Sanya, Beihai and Fuzhou, and the average temperature is around 25℃. The cities with the lowest temperature are Harbin, Changchun, Yinchuan and Hohhot, and the average temperature is around 1℃. In the south of latitude, the average temperature is about 65438 06℃. Of course, even at the same latitude, the temperature and humidity of the air close to the ground are different because of the different altitude and terrain. 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℃.
In short, when the first frost comes, even the city with the hottest first frost will not make people feel hot. The southern region generally feels comfortable, and some areas in the north have entered cold weather.
Will the frost temperature be very low in early 2022?
Affected by cold air, the temperature will be lower in many places at the beginning of this year.
In the next 10 day, there will be frequent cold air activities in the central and eastern regions, and the temperature in most areas will be lower than that in the same period of normal years. The temperature in parts of Jiangnan and South China can be as low as 3 ~ 5℃.
Climatic characteristics of the first frost;
The first frost solar term is generally around the Gregorian calendar1October 23rd 10 every year. At this time, the cold air goes south, the weather is getting colder and colder, and the temperature difference between day and night in the south changes greatly; However, the temperature in some parts of the north has dropped below 0℃. For example, the average temperature in the northeast, the east of Inner Mongolia and the northwest has been below 0℃, and the average temperature in the south of latitude is mostly around 16℃.
In autumn, the main climate is dry, 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.
"Frost first, frost first, dew becomes frost", but from a scientific point of view, the statement of "dew becomes frost" is inaccurate. The frozen dew formed by dew freezing is hard small ice beads. Frost refers to the phenomenon of crop freezing injury caused by the sudden drop of temperature, and its harmful temperature varies with crops, varieties and growth periods. To form frost, the temperature of the ground or ground objects must drop below 0℃, and the water vapor content in the air on the ground should reach a certain level.
Therefore, there is not necessarily frost in first frost, and there is not necessarily frost in first frost; However, due to the low temperature during frost, if the temperature continues to drop, it will easily lead to frost.
What does the first frost wear?
The solar term of the first frost means that the weather is getting colder and first frost begins. South of latitude, the average temperature is around 16℃, and sweaters and coats are needed.
In the first frost season, the average temperature in northeast China, eastern Inner Mongolia and most parts of northwest China is below 0℃. At this time, it's time to tidy up down jackets and long pants.
Most areas of Guangdong and Fujian, where the first frost is solar terms, have just entered autumn, so it is enough to wear autumn clothes at this time.
China is a vast country with a large span from north to south, so the weather is very different. You need to decide what to wear according to the local weather. However, it is common to wear long sleeves after the first frost arrives.