Zion in July: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 46/100 · #12 of 12 months
July is peak season — expect the year's biggest crowds at Zion National Park: crowds run 92% of the June peak (553,482 average visits). Weather: highs average 100°F and lows 70°F, with 1.1″ of precipitation and 14.5 hours of daylight. Computed from NPS and NOAA data.
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Bring for Zion in July
- A light layer you can shed by midday (long sleeve or windbreaker)See it on AmazonWhy: a 31°F swing between the average low of 70°F and high of 100°F.
- Sun hat, SPF 50+ and 3L+ water capacitySee it on AmazonWhy: highs average 100°F.
- Electrolyte tablets (heat-illness prevention)See it on AmazonWhy: at highs of 100°F, water alone is not enough — dehydration is the real risk.
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Crowds in July
Zion averages 553,482 recreation visits in July — 92% of what June, the peak month, draws. Trailheads and parking fill accordingly — book early and start days at dawn.
Weather & daylight
Days are seriously hot (highs average 100°F), and nights stay mild (lows average 70°F). It is typically dry (1.1″ of precipitation). Mid-month daylight runs 14.5 hours.
NOAA 1991–2020 monthly normals, station ZION NP, UT US (1 mi from park coordinates, 4,038 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of July.
What to pack for Zion 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 31°F swing between the average low of 70°F and high of 100°F
- Sun hat, SPF 50+ and 3L+ water capacity — highs average 100°F
- Electrolyte tablets (heat-illness prevention) — at highs of 100°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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If your dates are flexible, consider shifting: The computed best months for Zion are January and February.
Common questions
Is Zion crowded in July?
Yes — July runs 92% of Zion's peak, averaging 553,482 recreation visits (NPS, 2021–2025).
What is the weather like in Zion in July?
Average highs of 100°F, lows of 70°F, 1.1″ of precipitation (NOAA 1991–2020 normals, ZION NP, UT US station).
What should I pack for Zion in July?
A light layer you can shed by midday (long sleeve or windbreaker); Sun hat, SPF 50+ and 3L+ water capacity; Electrolyte tablets (heat-illness prevention) — the full weather-computed list is on this page.
See also: the best national parks to visit in July · Last verified 2026-09-24