Zion in May: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 61/100 · #8 of 12 months
May is peak season — the 2nd-busiest month of the year, at Zion National Park: crowds run 94% of the June peak (568,508 average visits). Weather: highs average 84°F and lows 53°F, with 0.8″ of precipitation and 14.1 hours of daylight. Computed from NPS and NOAA data.
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Bring for Zion in May
- 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 53°F and high of 84°F.
- Sun protection and 2L+ water per personSee it on AmazonWhy: highs average 84°F.
- Sturdy, broken-in hiking bootsSee it on AmazonWhy: every park, every month.
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Zion in May: what the park service says
Coming to Zion in May? Expect to use the shuttle. Between March and November the park service closes the Zion Canyon Scenic Drive to personal vehicles, and buses take you to the trailheads from the visitor center. The park says its lots often fill early in the day, so arriving early or parking in Springdale and riding the free Springdale Line, which makes nine stops in town, saves a search for a space.
Source: NPS, checked 2026-11-05.

Crowds in May
Zion averages 568,508 recreation visits in May — 94% of what June, the peak month, draws. Plan lodging and entries with that in mind — book early and start days at dawn.
Weather & daylight
Expect warm days (highs average 84°F), and nights stay mild (lows average 53°F). It is typically dry (0.8″ of precipitation). Mid-month daylight runs 14.1 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 May.
What to pack for Zion in May
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 53°F and high of 84°F
- Sun protection and 2L+ water per person — highs average 84°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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Looking for a better window? The computed best months for Zion are January and February.
Also at their best in May
Other parks whose computed May verdict is a best window — same NPS × NOAA formula:
- Lake Clark in May — 7% of peak crowds, highs 59°F, score 96/100
- North Cascades in May — 11% of peak crowds, highs 69°F, score 96/100
- Katmai in May — 1% of peak crowds, highs 52°F, score 95/100
- Gates of the Arctic in May — 12% of peak crowds, highs 56°F, score 94/100
Common questions
Is Zion crowded in May?
Yes — May runs 94% of Zion's peak, averaging 568,508 recreation visits (NPS, 2021–2025). See every month at Zion.
What is the weather like in Zion in May?
Average highs of 84°F, lows of 53°F, 0.8″ of precipitation (NOAA 1991–2020 normals, ZION NP, UT US station). Compare it with other national parks in May.
What should I pack for Zion in May?
A light layer you can shed by midday (long sleeve or windbreaker); Sun protection and 2L+ water per person; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page. Going in June instead? Zion in June has its own list.
See also: the best national parks to visit in May · Last verified 2026-09-24