What will happen on the winter solstice of 202 1? How long will it get warmer after the winter solstice of 202 1?

The winter solstice solar term is a special solar term and a popular solar term. At this time, many areas have entered winter, and there will be snowfall and cooling weather, and the weather will become colder and colder. After a few days, the temperature will rise slowly, and after two or three months of winter solstice, the weather will get warmer.

How long will it be warm after the solstice winter?

About two or three months after the winter solstice, the weather will get warmer.

In the period after the winter solstice, the temperature will not rise, but will drop slowly, because the winter solstice is the day when the sun shines directly on the Tropic of Cancer. At this time, the heat absorbed by the ground in the northern hemisphere is less than the heat lost. However, because the heat accumulated on the ground in the past is constantly radiating, the temperature near the ground has not dropped to the lowest, so it is not the coldest time of the year. After the winter solstice, the more heat released from the ground, the lower the temperature will be. Generally speaking, from the second half of the winter solstice to a month or so, the temperature will reach the lowest value in the whole year. After a period of time, the temperature will gradually increase and start to heat up.

In most cases, after nine days, the cold disappears and the weather gradually warms up. Therefore, it will get cold from winter to 8 1 day in the future, that is, 2-3 months. However, 99 is only applicable to areas with obvious temperature changes around the winter solstice. For a few areas, the specific cold weather time is also adapted to local conditions.

Will it be cold in winter on the solstice?

On the winter solstice, the direct sunlight reaches the southernmost point of the year, almost directly on the tropic of cancer (23 26 south latitude). On this day, the sunshine in the northern hemisphere is the least, 50% less than that in the southern hemisphere. The days in the northern hemisphere are the shortest, and the farther north, the shorter the days are.

On the solstice after winter, it began to enter the "number nine cold days". "It will not really enter the main winter flood season until April 9. Although the rainfall in Jiangnan is still very heavy, the temperature is too high, the cold and warm air is still in a stalemate, and there will be more and more cold air. " Take the initiative to attack and gradually gain the upper hand. The cooling situation in winter depends on the influence degree and intensity of cold air.

As far as climate is concerned, during the winter solstice, the average temperature in the northwest plateau is generally below 0℃, while it is only about 6℃ to 8℃ in the south. In addition, the winter solstice begins to count to nine, and the winter solstice becomes the first day to count to nine.

What will happen on the solstice in winter?

1, temperature drop

Before the winter solstice, there is still heat accumulation on the surface, and it is usually not very cold. However, after the winter solstice, the heat on the ground will basically dissipate, so the temperature will be lower and lower. Therefore, from the climate point of view, the real cold is after the winter solstice, so we should pay attention to keep warm and avoid catching a cold.

2. The days are getting longer.

The winter solstice is the south pole of the direct solar point, so after the winter solstice, the direct solar point begins to move from south to north. China is located in the north latitude, and the length of a day will gradually become longer.