What month does winter start in America?

Winter in America begins in 65438+February.

Winter means winter. The coldest season of the year in the northern hemisphere, the others are spring, summer and autumn.

Astronomically speaking, it was from February to February, 65438. China used to refer to the three months from beginning of winter to beginning of spring, and also to the three months of October, November and December in the lunar calendar.

Winter is the fourth season of the year in some areas. Because the weather turns cold (except in equatorial areas), it means silence and desolation in many areas.

When the cold current strikes, living things will reduce their life activities, many plants will shed leaves, animals will hibernate, and some are called hibernation. Migratory birds will fly to warm places for the winter.

Extended data:

American climate characteristics

Most of the United States has a temperate and subtropical climate, and only the southern tip of Florida Peninsula has a tropical climate. Alaska is located between 60 and 70 degrees north latitude and belongs to the cold climate zone in the Arctic Circle. Hawaii is located in the south of the Tropic of Cancer and belongs to a tropical climate zone.

However, due to its vast territory, complex terrain and great climate difference, the United States can be roughly divided into five climatic zones. Affected by the Labrador cold current and the cold air in the north, the temperate climate zone in the northeast coast is cold in winter, with an average temperature of -6℃ in June of 5438+ 10, and mild and rainy in summer, with an average temperature of 16℃ in July and an average annual rainfall of1000 mm. ..

Southeast Asia tropical climate zone, influenced by the Gulf Stream, has a warm and humid climate, with an average temperature of 65,438+06℃ in June and 24-27℃ in July, and an average annual rainfall of 65,438+500mm.

The continental climate zone in Central Plains is characterized by continental climate, with cold winter, average temperature of-14℃ in June and hot summer, and average temperature of 27 ~ 32℃ in July. The annual average rainfall is1000 ~1500mm.

The arid climate area of the western plateau is inland, and the temperature difference in the year before the plateau is large. The annual temperature difference in the Colorado Plateau is as high as 25℃, the annual average rainfall is below 500 mm, the rainfall in the plateau desert area is less than 250 mm, and the maritime climate area along the Pacific coast is warm in winter and cool in summer, with abundant rainfall.

The average temperature in June 5438+ 10 is above 4℃, the average temperature in July is around 20 ~ 22℃, and the average annual rainfall is around 1500mm.

Baidu Encyclopedia-Winter