Monocacy National Battlefield in August
August at Monocacy National Battlefield averages a daytime high near 87°F and an overnight low around 66°F, with about 2.9" of precipitation. Visitation runs about 1.2× the park's average month, which makes August a busy month here.
- Average low
- 66°F
- Average high
- 87°F
Range across the year: 27°F to 89°F
- Precipitation
- 2.9 in
- Daylight
- 13.5 hours
Roughly 10% of the park's yearly visitors come in August: about 12,000 recreation visits in a typical year, based on National Park Service monthly counts from 1991 to 2025.
That makes August the 3rd-busiest of the park's twelve months, sitting between the July peak (1.5×) and the January low (0.5×).
On our Best Time to Visit score August rates 48/100 ("Fair"). Our recommended month is April: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 77°F is warm enough that midday heat is worth planning around. These figures are 1991–2020 NOAA climate normals from the nearest station, about 4.4 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 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 116,902 recreation visits, about flat from 116,520 in 2024.
Across the past decade overall visitation has risen about 7.4%, 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 | 89°F / 68°F | 1.5× Busy | 32 Poor |
| August | 87°F / 66°F | 1.2× Busy | 48 Fair |
| September | 80°F / 59°F | 1.1× Average | 60 Good |
All twelve months at Monocacy, with the best time to visit.
Things to do at Monocacy in August
The National Park Service tags 5 Monocacy activities for summer. Each links to the park's own page for it.
- Explore L'Hermitage · 20-120 minutes
- Hike The Thomas Farm Trail · 30-120 minutes
- Hikes at the Worthington Farm · 30-160 minutes
- Ignite your Imagination at Monocacy National Battlefield · 1-4 hours · reservation required
- Picnicking At Monocacy
Frequently Asked Questions
August averages a daytime high near 87°F and an overnight low around 66°F at Monocacy National Battlefield, with about 2.9 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 4.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is busy at Monocacy National Battlefield (about 1.2× the average month). Our best-time score rates it "Fair" at 48/100. Our recommended month is April.
The busiest month is July and the quietest is January. August sits at about 1.2× the park's average, or 10% of annual visitation.
A typical August sees about 12,000 recreation visits at Monocacy National Battlefield, based on National Park Service monthly counts from 1991–2025.
Where to stay near Monocacy in August
Booking a August trip to Monocacy National Battlefield? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Monocacy
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 (1991–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.