Clara Barton National Historic Site in August
August at Clara Barton National Historic Site averages a daytime high near 86°F and an overnight low around 66°F, with about 4.4" of precipitation. Visitation runs about 1.4× the park's average month, which makes August a busy month here.
- Average low
- 66°F
- Average high
- 86°F
Range across the year: 26°F to 88°F
- Precipitation
- 4.4 in
- Daylight
- 13.5 hours
Roughly 12% of the park's yearly visitors come in August: roughly 1,700 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 3rd-busiest of the park's twelve months, sitting between the June peak (1.5×) and the January low (0.4×).
On our Best Time to Visit score August rates 40/100 ("Poor"). Our recommended month is October: the lightest crowds of the park's good-weather months.
The daily average of about 76°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 2.5 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 34% 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 9.3-hour midwinter low and the 14.7-hour summer high.
Park-wide, 2025 drew 11,309 recreation visits, down 15.2% from 13,334 in 2024.
Across the past decade overall visitation has eased about 9.5%, so August may feel a touch quieter than it once did.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 88°F / 68°F | 1.2× Busy | 43 Poor |
| August | 86°F / 66°F | 1.4× Busy | 40 Poor |
| September | 79°F / 59°F | 1.2× Busy | 54 Fair |
All twelve months at Clara Barton, with the best time to visit.
Frequently Asked Questions
August averages a daytime high near 86°F and an overnight low around 66°F at Clara Barton National Historic Site, with about 4.4 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.5 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at Clara Barton National Historic Site (about 1.4× the average month). Our best-time score rates it "Poor" at 40/100. Our recommended month is October.
The busiest month is June 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 2,000 recreation visits at Clara Barton National Historic Site, based on National Park Service monthly counts from 1979–2025.
Where to stay near Clara Barton in August
Booking a August trip to Clara Barton National Historic Site? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Clara Barton
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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.