How will the weather change after the winter solstice?

After the winter solstice, the weather will get colder.

The winter solstice solar term is the fourth solar term in winter. After the winter solstice solar term, most parts of the country also entered a cold winter climate. After the winter solstice solar term, there will be slight cold and severe cold solar terms, and then the temperature will gradually drop, and there may be a snowstorm in the north, and the temperature in the south will further drop.

Extended data

Pointing to the bucket, the longitude of the sun is 270, which is the solstice in winter. The first month is the first month, November is the second month, and the winter solstice is the 22nd of the 24 solar terms. The winter solstice usually falls on 65438+February 2 1 or 65438+February 22 in the Gregorian calendar. For example, the specific time of winter solstice in 2020: 65438+February 2 1, 18: 02.

Note: The average time method (used before 1645) does not consider the uneven speed of the sun moving on the ecliptic, which is different from the constant gas method (used since 1645), and the specific intersection time of each solar term is also different.

Astronomically, the "winter solstice" is the turning point of the sun's southward movement. In winter, the earth is located near the perihelion, and its running speed is slightly faster, which leads to that the time of direct sunlight in the southern hemisphere is about 8 days shorter than that in the northern hemisphere in a year, so the winter in the northern hemisphere is slightly shorter than that in summer.