How Crowded Is Oklahoma City National Memorial in May?
May runs about 1.5× Oklahoma City National Memorial's average month, which makes it a busy month here — roughly 13% of the park's yearly visitors come in May.
In a typical May the park sees about 51,000 recreation visits, based on National Park Service monthly counts from 2000 to 2003.
That makes May the 3rd-busiest of the park's twelve months, sitting between the June peak (1.8×) and the January low (0.4×).
On our Best Time to Visit score May rates 33/100 ("Poor"), versus the top-rated January at 79/100 — the best overall balance of crowds and daylight.
Because June, July and August together draw about 38% of annual visitors, choosing May instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 13.9 hours of daylight in May to explore — between the 9.6-hour midwinter low and the 14.4-hour summer high.
Park-wide, 2003 drew 301,018 recreation visits, down 29.8% from 428,977 in 2002.
Frequently Asked Questions
May is busy at Oklahoma City National Memorial (about 1.5× the average month). Our best-time score rates it "Poor". The single best month overall is January.
The busiest month is June and the quietest is January. May sits at about 1.5× the park's average, or 13% of annual visitation.
A typical May sees about 51,000 recreation visits at Oklahoma City National Memorial, based on National Park Service monthly counts from 2000–2003.
Where to stay near Oklahoma City in May
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (2000–2003). Updated 2026-07-14.