Harpers Ferry National Historical Park in August
August at Harpers Ferry National Historical Park averages a daytime high near 85°F and an overnight low around 61°F, with about 3.3" of precipitation. Visitation runs about 1.4× the park's average month, which makes August a busy month here.
- Average low
- 61°F
- Average high
- 85°F
Range across the year: 21°F to 86°F
- Precipitation
- 3.3 in
- Daylight
- 13.5 hours
Roughly 12% of the park's yearly visitors come in August: about 43,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 4th-busiest of the park's twelve months, sitting between the July peak (1.7×) and the January low (0.1×).
On our Best Time to Visit score August rates 52/100 ("Fair"). Our recommended month is September: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 73°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 5.6 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 38% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.5 hours of daylight in August to explore — between the 9.2-hour midwinter low and the 14.8-hour summer high.
Park-wide, 2025 drew 537,876 recreation visits, up 10.2% from 488,049 in 2024.
Across the past decade overall visitation has risen about 46.8%, 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 / 62°F | 1.7× Very busy | 42 Poor |
| August | 85°F / 61°F | 1.4× Busy | 52 Fair |
| September | 78°F / 54°F | 1.2× Busy | 58 Fair |
All twelve months at Harpers Ferry, with the best time to visit.
Things to do at Harpers Ferry in August
The National Park Service tags 4 Harpers Ferry activities for summer. Each links to the park's own page for it.
Frequently Asked Questions
August averages a daytime high near 85°F and an overnight low around 61°F at Harpers Ferry National Historical Park, with about 3.3 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 5.6 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at Harpers Ferry National Historical Park (about 1.4× the average month). Our best-time score rates it "Fair" at 52/100. Our recommended month is September.
The busiest month is July 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 43,000 recreation visits at Harpers Ferry National Historical Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Harpers Ferry in August
Booking a August trip to Harpers Ferry National Historical Park? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Harpers Ferry
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 August.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.