Great Sand Dunes National Park & Preserve in December
December at Great Sand Dunes National Park & Preserve averages a daytime high near 34°F and an overnight low around 12°F, with about 0.5" of precipitation and roughly 7" of snow. Visitation runs about 0.2× the park's average month, which makes December a very quiet month here.
- Average low
- 12°F
- Average high
- 34°F
Range across the year: 11°F to 81°F
- Precipitation
- 0.5 in
- Snowfall
- 7 in
- Daylight
- 9.4 hours
Roughly 1% of the park's yearly visitors come in December: roughly 6,400 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes December the 10th-busiest of the park's twelve months, sitting between the June peak (2.4×) and the January low (0.1×).
On our Best Time to Visit score December rates 3/100 ("Poor"). Our recommended month is September: the lightest crowds of the park's good-weather months.
The daily average of about 23°F is cold, with winter conditions likely on higher ground. These figures are 1991–2020 NOAA climate normals from the nearest station, about 6 miles from the park.
Because June, July and August together draw about 53% 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 9.4 hours of daylight in December to explore — near the year-round minimum.
Park-wide, 2025 drew 432,498 recreation visits, down 1.2% from 437,661 in 2024.
Across the past decade overall visitation has risen about 15.5%, so a December visit is likely to feel busier than it did a few years ago.
How December compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| November | 46°F / 22°F | 0.3× Very quiet | 44 Poor |
| December | 34°F / 12°F | 0.2× Very quiet | 3 Poor |
| January | 33°F / 11°F | 0.1× Very quiet | 3 Poor |
All twelve months at Great Sand Dunes, with the best time to visit.
Seasonal closures in December 2026
The National Park Service lists these Great Sand Dunes facilities as closed during December 2026. The dates are the park's own, read on October 11, 2026. A facility that is not listed here may still be closed, so confirm on the park's site before you go.
- Entrance Station (visitor center): closed all month (November 1, 2026 to February 28, 2027)
- Piñon Flats Campground (campground): closed all month (November 1, 2026 to March 31, 2027)
Things to do at Great Sand Dunes in December
The National Park Service tags 4 Great Sand Dunes activities for winter. Each links to the park's own page for it.
- Experience the Night · 30-300 minutes
- Explore the Dunes
- Hike Montville Nature Trail or Mosca Pass Trail · 30-240 minutes
- Sandboarding and Sand Sledding · 2-8 hours
Frequently Asked Questions
December averages a daytime high near 34°F and an overnight low around 12°F at Great Sand Dunes National Park & Preserve, with about 0.5 inches of precipitation and roughly 7 inches of snow. These are 1991–2020 NOAA climate normals from the nearest station, about 6 miles from the park, so conditions inside the park can differ, especially at other elevations.
December is very quiet at Great Sand Dunes National Park & Preserve (about 0.2× the average month). Our best-time score rates it "Poor" at 3/100. Our recommended month is September. December draws about 16% of the visits Great Sand Dunes sees in an average month. Numbers that low usually mean limited access: closed roads, closed facilities or deep-winter conditions. The count alone does not say which, so check the park's current conditions before planning around December.
The busiest month is June and the quietest is January. December sits at about 0.2× the park's average, or 1% of annual visitation.
A typical December sees about 6,000 recreation visits at Great Sand Dunes National Park & Preserve, based on National Park Service monthly counts from 1979–2025.
Where to stay near Great Sand Dunes in December
Booking a December trip to Great Sand Dunes National Park & Preserve? Compare hotels, cabins and vacation rentals near the park with live December availability and prices.
Top-rated places to stay near Great Sand Dunes
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 (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.