Thaddeus Kosciuszko National Memorial in January
January at Thaddeus Kosciuszko National Memorial averages a daytime high near 42°F and an overnight low around 28°F, with about 3.6" of precipitation and roughly 6" of snow. Visitation runs about 0.4× the park's average month, which makes January a very quiet month here.
- Average low
- 28°F
- Average high
- 42°F
Range across the year: 28°F to 89°F
- Precipitation
- 3.6 in
- Snowfall
- 6 in
- Daylight
- 9.5 hours
Roughly 3% of the park's yearly visitors come in January: about 160 recreation visits in a typical year, based on National Park Service monthly counts from 1981 to 2025.
It is the quietest month of the year at Thaddeus Kosciuszko; by contrast July, the busiest, runs about 1.8× the average — so January is the easiest time to have the place largely to yourself.
On our Best Time to Visit score January rates 43/100 ("Poor"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 35°F is cold, with winter conditions likely on higher ground. 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 January instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 9.5 hours of daylight in January to explore — between the 9.2-hour midwinter low and the 14.8-hour summer high.
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 January may feel a touch quieter than it once did.
How January compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| December | 47°F / 33°F | 0.6× Quiet | 38 Poor |
| January | 42°F / 28°F | 0.4× Very quiet | 43 Poor |
| February | 45°F / 30°F | 0.6× Quiet | 38 Poor |
All twelve months at Thaddeus Kosciuszko, with the best time to visit.
Frequently Asked Questions
January averages a daytime high near 42°F and an overnight low around 28°F at Thaddeus Kosciuszko National Memorial, with about 3.6 inches of precipitation and roughly 6 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.
January is very quiet at Thaddeus Kosciuszko National Memorial (about 0.4× the average month). Our best-time score rates it "Poor" at 43/100. Our recommended month is October.
The busiest month is July and the quietest is January. January sits at about 0.4× the park's average, or 3% of annual visitation.
A typical January 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 January
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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.