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

Peak crowds · VisitWhen score 65/100 · #8 of 12 months

August is peak season — expect the year's biggest crowds at Grand Teton National Park: crowds run 92% of the July peak (672,439 average visits), days average 76°F with 14 hours of daylight. Computed from NPS and NOAA data.

Crowds in August

Grand Teton averages 672,439 recreation visits in August — 92% of what July, the peak month, draws. That crowd level sets the tone for parking, permits and lodging — book early and start days at dawn.

Weather & daylight

Days are pleasant (highs average 76°F), and mornings are chilly (lows average 40°F). It is typically dry (1.3″ of precipitation). Mid-month daylight runs 14 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 August.

What to pack for Grand Teton in August

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

• Warm mid-layer (fleece or light puffy) — mornings average 40°F
• 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)

Want quieter or kinder conditions? The computed best months for Grand Teton are April and May.

Common questions

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