What is the temperature standard for winter?

From the climatological point of view, it is winter when the average temperature is lower than 10℃ for five consecutive days.

In winter, the northern hemisphere generally regards 65438+February, 65438+ 10 and February as winter, while the southern hemisphere regards June, July and August as winter. It gets cold in winter.

China used to call the three months from beginning of winter to beginning of spring "the solstice" (Westerners usually call winter and spring winter). China is a vast country, with a long distance between the north and the south and a great latitude difference. Under the comprehensive effect of many geographical factors (solar radiation, climate and topography), the temperature difference between north and south in winter in China is very large.