Zion in June: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 49/100 · #11 of 12 months
June is peak season — expect the year's biggest crowds at Zion National Park: crowds run 100% of the June peak (601,680 average visits). Weather: highs average 95°F and lows 62°F, with 0.2″ of precipitation and 14.7 hours of daylight. Computed from NPS and NOAA data.
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Bring for Zion in June
- A light layer you can shed by midday (long sleeve or windbreaker)See it on AmazonWhy: a 33°F swing between the average low of 62°F and high of 95°F.
- Sun hat, SPF 50+ and 3L+ water capacitySee it on AmazonWhy: highs average 95°F.
- Electrolyte tablets (heat-illness prevention)See it on AmazonWhy: at highs of 95°F, water alone is not enough — dehydration is the real risk.
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Crowds in June
June is Zion's busiest month — an average of 601,680 recreation visits (2021–2025), the park's crowd peak. 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 95°F), and nights stay mild (lows average 62°F). It is typically dry (0.2″ of precipitation). Mid-month daylight runs 14.7 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 June.
What to pack for Zion in June
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 33°F swing between the average low of 62°F and high of 95°F
- Sun hat, SPF 50+ and 3L+ water capacity — highs average 95°F
- Electrolyte tablets (heat-illness prevention) — at highs of 95°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 Zion are January and February.
Also at their best in June
Other parks whose computed June verdict is a best window — same NPS × NOAA formula:
- North Cascades in June — 26% of peak crowds, highs 74°F, score 91/100
- Katmai in June — 34% of peak crowds, highs 59°F, score 88/100
- Crater Lake in June — 44% of peak crowds, highs 57°F, score 84/100
- Olympic in June — 48% of peak crowds, highs 67°F, score 78/100
Common questions
Is Zion crowded in June?
Yes — June runs 100% of Zion's peak, averaging 601,680 recreation visits (NPS, 2021–2025).
What is the weather like in Zion in June?
Average highs of 95°F, lows of 62°F, 0.2″ of precipitation (NOAA 1991–2020 normals, ZION NP, UT US station).
What should I pack for Zion in June?
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 June · Last verified 2026-09-24