Thaddeus Kosciuszko National Memorial in December
December at Thaddeus Kosciuszko National Memorial averages a daytime high near 47°F and an overnight low around 33°F, with about 4.3" of precipitation and roughly 4" of snow. Visitation runs about 0.6× the park's average month, which makes December a quiet month here.
- Average low
- 33°F
- Average high
- 47°F
Range across the year: 28°F to 89°F
- Precipitation
- 4.3 in
- Snowfall
- 4 in
- Daylight
- 9.2 hours
Roughly 5% of the park's yearly visitors come in December: about 240 recreation visits in a typical year, based on National Park Service monthly counts from 1981 to 2025.
That makes December the 11th-busiest of the park's twelve months, sitting between the July peak (1.8×) and the January low (0.4×).
On our Best Time to Visit score December rates 38/100 ("Poor"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 40°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 1.7 miles from the park.
Because June, July and August together draw about 39% 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 9.2 hours of daylight in December to explore — near the year-round minimum.
Park-wide, 2013 drew 1,682 recreation visits, down 17.8% from 2,045 in 2012.
Across the past decade overall visitation has eased about 49%, so December may feel a touch quieter than it once did.
How December compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| November | 56°F / 41°F | 0.7× Quiet | 54 Fair |
| December | 47°F / 33°F | 0.6× Quiet | 38 Poor |
| January | 42°F / 28°F | 0.4× Very quiet | 43 Poor |
All twelve months at Thaddeus Kosciuszko, with the best time to visit.
Frequently Asked Questions
December averages a daytime high near 47°F and an overnight low around 33°F at Thaddeus Kosciuszko National Memorial, with about 4.3 inches of precipitation and roughly 4 inches of snow. These are 1991–2020 NOAA climate normals from the nearest station, about 1.7 miles from the park, so conditions inside the park can differ, especially at other elevations.
December is quiet at Thaddeus Kosciuszko National Memorial (about 0.6× the average month). Our best-time score rates it "Poor" at 38/100. Our recommended month is October.
The busiest month is July and the quietest is January. December sits at about 0.6× the park's average, or 5% of annual visitation.
A typical December sees about 0,000 recreation visits at Thaddeus Kosciuszko National Memorial, based on National Park Service monthly counts from 1981–2025.
Where to stay near Thaddeus Kosciuszko in December
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Top-rated places to stay near Thaddeus Kosciuszko
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Source: National Park Service Visitor Use Statistics (1981–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.