What are the characteristics of the weather in the winter solstice solar terms?

From winter to around, although the northern hemisphere has the shortest sunshine time and receives the least amount of solar radiation, the accumulated heat on the ground in summer can also provide some supplement, so the temperature is not the lowest at this time. "After eating the winter solstice dinner, the days become longer." After the winter solstice, the daytime hours increase day by day.

. However, the solar radiation obtained on the ground is still less than the heat lost by the ground radiation, so the temperature will continue to drop in the short term. In China, except for a few islands and coastal areas, 1 is the coldest month, so there is a folk saying that winter solstice is not too cold, and astronomy also stipulates that winter solstice is the beginning of winter in the northern hemisphere.

On the solstice after winter, although it entered the "99 weather", China has a vast territory and its climate and landforms are very different. The northeast land is frozen for thousands of miles, and Joan wears jade clothes; Huanghuai area is also often wrapped in silver; At this time, the average temperature in the north and south of the Yangtze River is generally above 5℃, and crops continue to grow in winter, and vegetables and wheat are green and full of vitality. It is "the water town has passed the winter solstice and the scenery has been born in spring"; The average temperature along the coast of South China is above 10℃, and birds are singing and flowers are fragrant.