Hopewell Furnace National Historic Site in August
August at Hopewell Furnace National Historic Site averages a daytime high near 82°F and an overnight low around 62°F. Visitation runs about 1.6× the park's average month, which makes August a very busy month here.
- Average low
- 62°F
- Average high
- 82°F
Range across the year: 21°F to 85°F
- Daylight
- 13.6 hours
Roughly 13% of the park's yearly visitors come in August: roughly 6,800 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 Hopewell Furnace; January, the quietest, runs only about 0.3× the average — a 6-to-1 swing between high and low season.
On our Best Time to Visit score August rates 51/100 ("Fair"). Our recommended month is October: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 72°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 7 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 37% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.6 hours of daylight in August to explore — between the 9.1-hour midwinter low and the 14.8-hour summer high.
Park-wide, 2024 drew 48,776 recreation visits, down 10.2% from 54,293 in 2023.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 85°F / 64°F | 1.5× Busy | 54 Fair |
| August | 82°F / 62°F | 1.6× Very busy | 51 Fair |
| September | 76°F / 55°F | 1.4× Busy | 56 Fair |
All twelve months at Hopewell Furnace, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 82°F and an overnight low around 62°F at Hopewell Furnace National Historic Site. These are 1991–2020 NOAA climate normals from the nearest station, about 7 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Hopewell Furnace National Historic Site (about 1.6× the average month). Our best-time score rates it "Fair" at 51/100. Our recommended month is October.
The busiest month is August and the quietest is January. August sits at about 1.6× the park's average, or 13% of annual visitation.
A typical August sees about 7,000 recreation visits at Hopewell Furnace National Historic Site, based on National Park Service monthly counts from 1979–2025.
Where to stay near Hopewell Furnace in August
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Top-rated places to stay near Hopewell Furnace
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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.