What does it mean to be cold? What is a little cold weather?

1, slight cold is the 23rd solar term in 24 solar terms, the end of the second month of the official calendar and the beginning of the ugly month. The time is between 65438+1October 5-7 in Gregorian calendar, and the sun is located at 285 degrees of the yellow meridian. For China, it's around March 9th, and the slight cold marks the beginning of the coldest day of the year. Twenty-four solar terms: "December Festival, the cold at the beginning of the month is still small, so the cloudy day is half a month."

2. In the mild cold season, the average temperature in Beijing is generally around -5℃, and the extreme minimum temperature is below-15℃. In Northeast China, the average temperature at this time is around -30℃, the extreme minimum temperature can be as low as -50℃, and the average maximum temperature in the afternoon is only -20℃. It's a world of ice sculptures and jade carvings. The average temperature in Heilongjiang, Inner Mongolia, the area north of 45 N in Xinjiang, the northern part of Qinghai-Tibet Plateau is around -20℃, and the average temperature in the area near 40 N west of Hetao is around-10℃, which is a scene of severe winter. The average temperature along the Huaihe River in Qinling Mountains is about 0℃, and there is no seasonal frozen soil in the south of this line, and there is no obvious wintering period for winter crops. At this time, the average temperature in the south of the Yangtze River is generally around 5℃. Although the field is still full of vitality, cold air sometimes goes south, causing certain harm.