How Crowded Is Assateague Island National Seashore in August?
August runs about 2.2× Assateague Island National Seashore's average month, which makes it a very busy month here — roughly 19% of the park's yearly visitors come in August.
In a typical August the park sees about 440,000 recreation visits, based on National Park Service monthly counts from 1979 to 2025.
That makes August the 2nd-busiest of the park's twelve months, sitting between the July peak (2.5×) and the December low (0.3×).
On our Best Time to Visit score August rates 45/100 ("Fair"), versus the top-rated October at 70/100 — pleasant weather with noticeably thinner crowds (shoulder season).
Typical August weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 85°F and an overnight low around 68°F, with about 4.2" of precipitation.
That average of about 77°F is warm enough that midday heat is worth planning around.
August falls inside the park's busiest stretch: June, July and August together pull about 55% 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 9.4-hour midwinter low and the 14.6-hour summer high.
Park-wide, 2025 drew 2,325,195 recreation visits, up 1.9% from 2,282,498 in 2024.
Frequently Asked Questions
August is very busy at Assateague Island National Seashore (about 2.2× the average month). Our best-time score rates it "Fair". The single best month overall is October.
The busiest month is July and the quietest is December. August sits at about 2.2× the park's average, or 19% of annual visitation.
A typical August sees about 440,000 recreation visits at Assateague Island National Seashore, based on National Park Service monthly counts from 1979–2025.
Where to stay near Assateague Island in August
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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 2026-07-14.