There is considerable climatic variation, with annual average temperatures ranging from 29'C in Florida to -13.3'C in Alaska.
气候复杂多样，年平均气温由佛罗里达的29摄氏度至阿拉斯加的零下13·3摄氏度不等。
There is considerable climatic variation, with annual average temperatures ranging from 29'C in Florida to -13.3'C in Alaska.
气候复杂多样，年平均气温由佛罗里达的29摄氏度至阿拉斯加的零下13·3摄氏度不等。
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