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

Peak crowds · VisitWhen score 64/100 · #6 of 12 months

August is peak season — expect the year's biggest crowds at Grand Canyon National Park: crowds run 90% of the July peak (477,093 average visits), days average 81°F with 13.6 hours of daylight. Computed from NPS and NOAA data.

Crowds in August

Grand Canyon averages 477,093 recreation visits in August — 90% 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 warm (highs average 81°F), and nights stay mild (lows average 58°F). Average precipitation is 2.7″ for the month. Mid-month daylight runs 13.6 hours.

NOAA 1991–2020 monthly normals, station GRAND CANYON VISITOR CTR, AZ US (1 mi from park coordinates, 7,083 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of August.

What to pack for Grand Canyon in August

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

• Packable rain jacket — 2.7″ of precipitation is normal this month
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month

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

Common questions

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