When is it coldest in a year?

65438+1October 20th or 2 1 is the "great cold", and the original meaning of the great cold solar term is the coldest period in a year. However, except for South China, the coldest time in other parts of the country is in the "March 9", which is 65438+1mid-October. The severe cold solar terms are mainly on "April 9" and "May 9", and the temperature has begun to slowly rise. Nevertheless, cold and dryness are the characteristics of severe cold weather.

China folks call these three solar terms "winter solstice", "slight cold", "great cold" and "midwinter". In the dead of winter, there is a cold air going south in about 5 days on average. Cold wave, frost and blizzard are the main disastrous weather in the middle of winter. In June+10 of 65438, the lowest temperature was below 0℃ for 20 days, and it snowed for 3 days.

The Great Cold is the last of the "24 solar terms", and the "Spring Festival" is among the solar terms for many years. As long as people don't go against the agricultural season and arrange their production and life according to the weather characteristics, they will be able to gain advantages and avoid disadvantages, improve the economic benefits of industrial and agricultural production and enhance people's physique, so as to spend the Spring Festival happily.

Extended data:

Beginning of winter is around the Gregorian calendar 1 1.7, and beginning of winter can literally mean Xinjiang: "Establish, start, end in winter, collect everything." Folk customs regard this day as the beginning of winter. As the end of winter, it means the end of a year's field work and harvest of crops.

As the saying goes, "It's sunny in beginning of winter, cold in winter" and "It's cloudy in beginning of winter, warm in winter". The ancients looked at the weather in beginning of winter and predicted the warm and cold in winter. When beginning of winter is afraid of meeting Lunzi, it is a waste of time to come to Takada next year. Today is Renzi Day, and the disaster is predicted by the people. Beginning of winter has a sunny and rainy winter, and beginning of winter has a rainy winter. If the northwest wind blows in early winter, it is expected that there will be a bumper harvest in the coming year.

Minor Snow

It snowed around Gregorian calendar1October 22nd 165438+. At this time, due to the sudden drop of temperature, it began to snow, but it was not the season of heavy snow, so it was called light snow. Before and after the light snow, it began to snow in the Yellow River basin (snowfall in the south is two solar terms later); In the north, it has entered the freezing season.

"Lotus has no shelter from the rain, but chrysanthemums still have branches in Ao Shuang", and it is already early winter. An agricultural proverb says, "If it doesn't snow, we will have a long rest next year." It means that in the light snow solar term, it hasn't snowed yet. In the north of China, winter wheat can't survive the winter, but in the second year, due to lack of water and pests, farming is not good, and long-term work can be omitted. It can be seen that snowfall in winter directly affects the harvest of crops.