Oklahoma City National Memorial in May
May at Oklahoma City National Memorial averages a daytime high near 79°F and an overnight low around 58°F, with about 5.3" of precipitation. Visitation runs about 1.5× the park's average month, which makes May a busy month here.
- Average low
- 58°F
- Average high
- 79°F
Range across the year: 27°F to 93°F
- Precipitation
- 5.3 in
- Daylight
- 13.9 hours
Roughly 13% of the park's yearly visitors come in May: about 51,000 recreation visits in a typical year, 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 55/100 ("Fair"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 68°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 7.5 miles from the park.
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.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 71°F / 48°F | 1.3× Busy | 53 Fair |
| May | 79°F / 58°F | 1.5× Busy | 55 Fair |
| June | 88°F / 66°F | 1.8× Very busy | 35 Poor |
All twelve months at Oklahoma City, with the best time to visit.
Frequently Asked Questions
May averages a daytime high near 79°F and an overnight low around 58°F at Oklahoma City National Memorial, with about 5.3 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 7.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is busy at Oklahoma City National Memorial (about 1.5× the average month). Our best-time score rates it "Fair" at 55/100. Our recommended month is October.
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
Booking a May trip to Oklahoma City National Memorial? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Oklahoma City
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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), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.