Nez Perce National Historical Park in August
August at Nez Perce National Historical Park averages a daytime high near 89°F and an overnight low around 51°F. Visitation runs about 1.4× the park's average month, which makes August a busy month here.
- Average low
- 51°F
- Average high
- 89°F
Range across the year: 24°F to 89°F
- Daylight
- 14.0 hours
Roughly 12% of the park's yearly visitors come in August: about 36,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
It is the single busiest month of the year at Nez Perce; January, the quietest, runs only about 0.7× the average — a 2-to-1 swing between high and low season.
On our Best Time to Visit score August rates 45/100 ("Fair"). Our recommended month is September: the lightest crowds of the park's good-weather months.
The daily average of about 70°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 2.8 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 33% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 14 hours of daylight in August to explore — between the 8.5-hour midwinter low and the 15.5-hour summer high.
Park-wide, 2025 drew 343,910 recreation visits, about flat from 342,924 in 2024.
Across the past decade overall visitation has risen about 31.8%, so a August visit is likely to feel busier than it did a few years ago.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 86°F / 54°F | 1.2× Busy | 65 Good |
| August | 89°F / 51°F | 1.4× Busy | 45 Fair |
| September | 77°F / 45°F | 1.1× Average | 62 Good |
All twelve months at Nez Perce, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 89°F and an overnight low around 51°F at Nez Perce National Historical Park. These are 1991–2020 NOAA climate normals from the nearest station, about 2.8 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at Nez Perce National Historical Park (about 1.4× the average month). Our best-time score rates it "Fair" at 45/100. Our recommended month is September.
The busiest month is August and the quietest is January. August sits at about 1.4× the park's average, or 12% of annual visitation.
A typical August sees about 36,000 recreation visits at Nez Perce National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Nez Perce in August
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Top-rated places to stay near Nez Perce
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.