Thaddeus Kosciuszko National Memorial in April
April at Thaddeus Kosciuszko National Memorial averages a daytime high near 66°F and an overnight low around 46°F, with about 4" of precipitation. Visitation runs about 0.9× the park's average month, which makes April an average month here.
- Average low
- 46°F
- Average high
- 66°F
Range across the year: 28°F to 89°F
- Precipitation
- 4.0 in
- Daylight
- 13.1 hours
Roughly 8% of the park's yearly visitors come in April: about 380 recreation visits in a typical year, based on National Park Service monthly counts from 1981 to 2025.
That makes April the 7th-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 April rates 60/100 ("Good"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 56°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 1.7 miles from the park.
Because June, July and August together draw about 39% of annual visitors, choosing April instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 13.1 hours of daylight in April 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 April may feel a touch quieter than it once did.
How April compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| March | 54°F / 36°F | 0.7× Quiet | 46 Fair |
| April | 66°F / 46°F | 0.9× Average | 60 Good |
| May | 76°F / 56°F | 1.3× Busy | 63 Good |
All twelve months at Thaddeus Kosciuszko, with the best time to visit.
Frequently Asked Questions
April averages a daytime high near 66°F and an overnight low around 46°F at Thaddeus Kosciuszko National Memorial, with about 4 inches of precipitation. 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.
April is average at Thaddeus Kosciuszko National Memorial (about 0.9× the average month). Our best-time score rates it "Good" at 60/100. Our recommended month is October.
The busiest month is July and the quietest is January. April sits at about 0.9× the park's average, or 8% of annual visitation.
A typical April 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 April
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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.