Grand Teton in May: Crowds, Weather & What to Pack

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May is one of the best months of the year to visit Grand Teton National Park: crowds run 42% of the July peak (305,741 average visits), days average 56°F with 14.7 hours of daylight. Computed from NPS and NOAA data.

Crowds in May

Grand Teton averages 305,741 recreation visits in May — 42% of what July, the peak month, draws. That crowd level sets the tone for parking, permits and lodging.

Weather & daylight

Daytime stays cool (highs average 56°F), and nights drop below freezing (lows average 31°F). Average precipitation is 2.4″ for the month. Mid-month daylight runs 14.7 hours.

NOAA 1991–2020 monthly normals, station MORAN 5WNW, WY US (6 mi from park coordinates, 6,805 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of May.

What to pack for Grand Teton in May

Computed from the month's weather normals above — not a generic list.

• Insulated jacket, beanie and gloves — nights average 31°F, below freezing
• Packable rain jacket — 2.4″ of precipitation is normal this month
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
• Bear spray — recommended by the park in grizzly country (check current park regulations before you carry)

Common questions

See also: the best national parks to visit in May · Last verified 2026-07-16