Waco Mammoth National Monument in December
December at Waco Mammoth National Monument averages a daytime high near 60°F and an overnight low around 39°F, with about 2.8" of precipitation. Visitation runs about 0.8× the park's average month, which makes December a quiet month here.
- Average low
- 39°F
- Average high
- 60°F
Range across the year: 36°F to 95°F
- Precipitation
- 2.8 in
- Daylight
- 9.9 hours
Roughly 7% of the park's yearly visitors come in December: roughly 6,200 recreation visits in a typical year, based on National Park Service monthly counts from 2015 to 2025.
That makes December the 9th-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 December rates 56/100 ("Fair"). Our recommended month is November: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 49°F is cool, so layers and a shorter daylight window matter. 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 December instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 9.9 hours of daylight in December to explore — near the year-round minimum.
Park-wide, 2025 drew 91,678 recreation visits, down 18.1% from 111,961 in 2024.
How December compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| November | 68°F / 46°F | 0.8× Quiet | 66 Good |
| December | 60°F / 39°F | 0.8× Quiet | 56 Fair |
| January | 59°F / 36°F | 0.5× Quiet | 62 Good |
All twelve months at Waco Mammoth, with the best time to visit.
Things to do at Waco Mammoth in December
The National Park Service tags 6 Waco Mammoth activities for winter. Each links to the park's own page for it.
Frequently Asked Questions
December averages a daytime high near 60°F and an overnight low around 39°F at Waco Mammoth National Monument, with about 2.8 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.
December is quiet at Waco Mammoth National Monument (about 0.8× the average month). Our best-time score rates it "Fair" at 56/100. Our recommended month is November.
The busiest month is March and the quietest is January. December sits at about 0.8× the park's average, or 7% of annual visitation.
A typical December sees about 6,000 recreation visits at Waco Mammoth National Monument, based on National Park Service monthly counts from 2015–2025.
Where to stay near Waco Mammoth in December
Booking a December trip to Waco Mammoth National Monument? Compare hotels, cabins and vacation rentals near the park with live December availability and prices.
Top-rated places to stay near Waco Mammoth
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in December.
Source: National Park Service Visitor Use Statistics (2015–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.