Climatic characteristics of beginning of winter.

Climate characteristics of beginning of winter: the temperature drops, the weather is dry and the wind is increasing.

1, temperature drop

After beginning of winter, the temperature gradually decreased and the temperature difference between day and night gradually increased. In the north, the temperature often drops below zero, while in the south, it drops to about 10 degrees. At this time, people need to keep warm and put on thick clothes and cotton-padded clothes to prevent colds and other diseases.

2. The weather is dry

After beginning of winter, the moisture in the air gradually decreased, and the weather became dry, which easily led to problems such as dry skin, dry throat and cough. Therefore, people need to drink more water, eat more fruits and vegetables, and keep the body's water balance.

3, the wind increases

After winter, the wind gradually increases, especially in the north. This kind of strong wind can easily cause the temperature to drop, but it will also bring some inconvenience, such as blowing away umbrellas and raising dust. Therefore, people need to pay attention to wind and keep warm and avoid going out in windy weather.

The Historical Origin of beginning of winter

Beginning of winter is the first solar term in winter, representing the beginning of winter. It's early March in winter. Beginning of winter, beginning of spring, Changsha and beginning of autumn are collectively called "Li Si". Spring planting in Xia Yun, autumn harvest in winter storage, all things germinate in spring, grow in summer, harvest in autumn and rest in winter. Beginning of winter means that life begins to close, everything enters a state of recuperation, and plants wither.

As for the division time of the four seasons, China traditionally takes "Li Si" (beginning of spring, Changchun, beginning of autumn and beginning of winter) among the "24 solar terms" as the beginning of the four seasons, and "Bi Fen" (vernal equinox and autumnal equinox) and "Two Fingers" (summer solstice and winter solstice) as the midpoint of the four seasons, which has obvious astronomical significance.