What major U.S. cities have the highest yearly average temperatures?
Christopher Burt’s book Extreme Weather reports that Key West, Fla., with an annual average temperature of 78.0°F, is the warmest city in the USA by this definition. Other warm cities include Honolulu (77.5°F), Miami (76.6°F) and Fort Lauderdale (75.7°F). But despite its year-round warmth, Key West has only reached 100°F once, in August 1886. On the other end of the spectrum, the coldest major U.S. city is Fairbanks, Alaska, with an annual average of 26.7°F. You can check monthly average temperartures for most major U.S. cities on USATODAY.com’s city guide pages.
