The climate in the United States is characterized by diversity. The latitude of the United States is about 25 degrees to 49 degrees north latitude. Except for the tropical climate at the southern tip of Florida Peninsula, it is temperate and subtropical. The precipitation is uneven. Generally speaking, the east is wet and the west is dry. Affected by the Labrador cold current and the cold air in the north, the northeast coast and the Great Lakes region are 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. The average annual precipitation is about 1000 mm. In the Central Plains, because the terrain is open from north to south, cold air can go south in winter and hot south wind can blow in in in summer, so Leng Xia is hot in winter. Near the north, the lowest temperature in 1 month can reach -40℃, and the highest temperature in July can reach 45℃. The average annual precipitation is generally 500 ~1000 mm. Southeast and Gulf Coast have subtropical climate. Affected by the Gulf Stream, it is warm and humid. The average temperature in June is about 9℃,15438 in October+24 ~ 27℃ in July. In late summer and early autumn, hurricanes often hit the coast of the Gulf of Mexico, causing disasters. The annual average precipitation is above1500mm. The climate in the western inland plateau is dry and Leng Xia is hot in winter. The average annual precipitation is below 500 mm, the precipitation in the desert area in the south of the plateau is less than 250 mm, and the northern part of the Pacific coast has a maritime climate, which is warm in winter and cool in summer with abundant rainfall. L The average temperature in the city is above 4℃, the average temperature in August is below 14℃, and the average annual precipitation is above 1500mm. The southern part of the Pacific coast belongs to the Mediterranean climate, with warm and rainy winters and dry and muggy summers. The average temperature in June is 5438+ 10/2℃, which is higher than that in August, and the average annual precipitation is 300 ~ 500mm. About13 of Alaska is located in the Arctic Circle, which belongs to the cold zone and has a dry and cold climate. Affected by the Alaska Warm Current, the southeast Pacific coast has a mild and humid climate. The Hawaiian Islands are located in the tropics with a hot climate. Generally speaking, the northeast windward slope is rich in precipitation, while the southwest leeward slope is dry and rainy, and the annual precipitation of individual windward slopes can reach12000 mm.
The coastal areas in the northeast of the United States and the Great Lakes in the north have a temperate and humid continental climate, with cold winters and mild and rainy summers. The southeast has a subtropical humid climate, which is warm in winter, warm in summer and abundant in precipitation. The continental semi-humid, semi-arid and arid climate in central China; Most areas in the west belong to semi-arid and arid climate; The northern part of the Pacific coast has a temperate maritime climate, while the southern part has a Mediterranean climate. Alaska belongs to the continental climate of sub-cold zone, with low temperature and little precipitation all year round. Hawaii has a tropical maritime climate, which is warm and humid all year round.