Climate & Travel Time
The USA spans multiple climate zones — from arctic (Alaska) to tropical (Hawaii, Florida) to desert (Southwest). There is no "best travel time" for the entire USA.
| Region | Best Time | Avoid | Notes |
|---|---|---|---|
| New York / East Coast | May–June, Sept–Oct | Jan–Feb (icy) | Indian Summer in October is spectacular |
| California | April–October | — | SF is cool even in summer (fog!) |
| Florida | Nov–April | June–Oct (hurricane season) | Summer: hot, humid, thunderstorms |
| Southwest | March–May, Sept–Nov | June–Aug (45°C+) | National parks crowded in summer |
| Hawaii | April–October | — | Warm year-round, rainier in winter |
| New England | Sept–Oct (Indian Summer) | March (slush) | Foliage: Late Sept–Mid Oct |
