United States

The United States spans every major climate zone, from Arctic tundra in Alaska to tropical humidity in Florida and arid desert in Arizona. Summer temperatures range from 21°C (70°F) in Seattle to 38°C (100°F) in Phoenix and Las Vegas. Winter varies even more: Miami stays above 20°C while Minneapolis drops to -12°C. Hurricane season runs June through November along the Gulf and Atlantic coasts, with peak activity from mid-August to late October. The best months for cross-country travel are May, June, September, and October when most of the country sits between 15°C and 27°C. Explore state-by-state weather guides below to plan around regional seasons, from New England fall foliage to Rocky Mountain ski conditions.

Regions & States