Waco Mammoth National Monument in May
May at Waco Mammoth National Monument averages a daytime high near 83°F and an overnight low around 64°F, with about 4.4" of precipitation. Visitation runs about 1.1× the park's average month, which makes May an average month here.
- Average low
- 64°F
- Average high
- 83°F
Range across the year: 36°F to 95°F
- Precipitation
- 4.4 in
- Daylight
- 13.6 hours
Roughly 10% of the park's yearly visitors come in May: roughly 9,100 recreation visits in a typical year, based on National Park Service monthly counts from 2015 to 2025.
That makes May the 5th-busiest of the park's twelve months, sitting between the March peak (1.9×) and the January low (0.5×).
On our Best Time to Visit score May rates 66/100 ("Good"). Our recommended month is November: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 74°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 2.4 miles from the park.
Because June, July and August together draw about 28% 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 13.6 hours of daylight in May to explore — between the 9.9-hour midwinter low and the 14.1-hour summer high.
Park-wide, 2025 drew 91,678 recreation visits, down 18.1% from 111,961 in 2024.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 76°F / 54°F | 1.2× Busy | 68 Good |
| May | 83°F / 64°F | 1.1× Average | 66 Good |
| June | 91°F / 72°F | 1.2× Busy | 44 Poor |
All twelve months at Waco Mammoth, with the best time to visit.
Things to do at Waco Mammoth in May
The National Park Service tags 6 Waco Mammoth activities for spring. Each links to the park's own page for it.
Frequently Asked Questions
May averages a daytime high near 83°F and an overnight low around 64°F at Waco Mammoth National Monument, with about 4.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is average at Waco Mammoth National Monument (about 1.1× the average month). Our best-time score rates it "Good" at 66/100. Our recommended month is November.
The busiest month is March and the quietest is January. May sits at about 1.1× the park's average, or 10% of annual visitation.
A typical May sees about 9,000 recreation visits at Waco Mammoth National Monument, based on National Park Service monthly counts from 2015–2025.
Where to stay near Waco Mammoth in May
Booking a May trip to Waco Mammoth National Monument? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Waco Mammoth
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (2015–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.