Arches in July: Crowds, Weather & What to Pack

Peak crowds · VisitWhen score 50/100 · #12 of 12 months

July is peak season — the 3rd-busiest month of the year, at Arches National Park: crowds run 87% of the May peak (170,157 average visits). Weather: highs average 99°F and lows 70°F, with 0.7″ of precipitation and 14.6 hours of daylight. Computed from NPS and NOAA data.

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Arches in July: what the park service says

In July at Arches, the park service warns that temperatures often pass 100°F. Plan to hike early (summer trailhead lots fill by about 7:30 a.m.) or save the park for evening, when it is cooler and the sunsets and dark skies come out. Late summer also starts the monsoon season, whose violent storm cells often cause flash floods, and roads can close after rain.

Source: NPS 1, NPS 2, checked 2026-11-05.

Crowds in July

Arches averages 170,157 recreation visits in July — 87% of what May, the peak month, draws. That crowd level sets the tone for parking, permits and lodging — book early and start days at dawn.

Weather & daylight

Daytime heat is the story (highs average 99°F), and nights stay mild (lows average 70°F). It is typically dry (0.7″ of precipitation). Mid-month daylight runs 14.6 hours.

NOAA 1991–2020 monthly normals, station ARCHES NP HQS, UT US (9 mi from park coordinates, 4,093 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of July.

What to pack for Arches in July

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

• A light layer you can shed by midday (long sleeve or windbreaker) — a 28°F swing between the average low of 70°F and high of 99°F
• Sun hat, SPF 50+ and 3L+ water capacity — highs average 99°F
• Electrolyte tablets (heat-illness prevention) — at highs of 99°F, water alone is not enough — dehydration is the real risk (compare other options)
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month

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Want quieter or kinder conditions? The computed best months for Arches are February and March.

Common questions

See also: the best national parks to visit in July · Last verified 2026-09-24