North America · May
Best time to visit United States in May 🇺🇸
May in United States is peak season — ideal weather. an outstanding time — peak conditions, headline experiences and the scenery the country is famous for.
United States year at a glance
The absolute peak months for United States are April, May, September, October. May is one of them — book stays and trains early.
What United States is like in May
Too big for one window. Northeast best May–Oct, Florida & southwest deserts best Nov–Apr, national parks Jun–Sep, Hawaii year-round.
Insider tip
US national park lodge reservations open 13 months ahead — set a reminder.
May by region in United States
New York & Northeast
bestBest May, Jun, Sep, Oct. Fall foliage late Sep–Oct.
Florida & Gulf coast
goodDec–Apr ideal. Summer hot & humid; hurricane risk Aug–Oct.
California (coast)
bestYear-round mild. Sep–Oct often warmest in SF.
Southwest (Vegas, Grand Canyon, Utah)
bestBest Mar–May & Sep–Nov. Avoid Jul–Aug heat.
Rocky Mountain national parks (Yellowstone, Glacier)
goodJun–Sep only; many roads closed otherwise.
Pacific Northwest (Seattle, Portland)
goodJul–Sep dry & glorious. Wet rest of year.
Hawaii
bestYear-round; Apr–May & Sep–Oct sweet spot.
Alaska
shoulderJun–Sep for cruises & wildlife; Sep–Mar aurora.