What does the rain in the winter solstice solar term indicate?

There are many sayings in China proverbs that it rains from winter to Sunday, among which the most mentioned are "sunny in winter, rainy in New Year", "sunny in winter, cloudy in Spring Festival" and "sunny in winter, rainy next year".

It means that it will rain from the winter solstice at the end of1February every year, so it will rain or even snow in the Spring Festival next year, and it will rain all year round.

The winter solstice is generally around 65438+ February 22nd of Gregorian calendar, which is relatively fixed and not the coldest season. The time of the Spring Festival is determined according to the lunar calendar, but not according to the Gregorian calendar. Generally, it is between 65438+1October 20th-February 19, and between severe cold and rainy weather. Generally, the middle and late period of 1 is "three or nine days", which is the coldest. The weather is much warmer in February. This year's Spring Festival falls between March 9th and April 9th, and it is also the coldest time of the year.