Month explorer

Choose a month: the 36 destinations we cover are ranked from ideal to skip, with highs, lows and rain.

Where is it good in May?

Ranking from average highs and lows and monthly rainfall at the nearest NOAA weather station (1991–2020 normals), adjusted for closed roads (Glacier, Tioga Pass) and the peak of hurricane season. Park stations are near the main visitor area; summits are colder.

How it works

Temperatures and rainfall are the NOAA 1991–2020 normals from the weather station nearest to each place. A month scores well when highs sit around 65–85°F, nights stay above freezing and it rarely rains.

Known seasonal problems weigh the score down: roads closed by snow in Glacier, Yellowstone or Rocky Mountain, the peak of hurricane season in Florida, the Caribbean and New Orleans. For one destination in detail, see when to go.

The full explanation, with the rules and the examples, is in our guide: When to go.

Exit 10More free toolsItinerary plannerYour airport, your dates, what you love: a road trip with a map and a day-by-day plan, as a link you can share.

Exit 17Compare two destinationsTwo places side by side: weather month by month, how long to stay, the best season, drive times, budget.Exit 24Park pass calculatorPay at the gate or buy the America the Beautiful pass? With the 2026 $100 non-resident fee.Exit 31Tip & tax calculatorFrom the price on the menu to what you actually pay, sales tax and tip included.Exit 38Trip budgetEstimate your trip by days, travellers and style: rooms, food, car, gas, passes.