Assateague Island National Seashore in August
August at Assateague Island National Seashore averages a daytime high near 85°F and an overnight low around 68°F, with about 4.2" of precipitation. Visitation runs about 2.2× the park's average month, which makes August a very busy month here.
- Average low
- 68°F
- Average high
- 85°F
Range across the year: 31°F to 86°F
- Precipitation
- 4.2 in
- Daylight
- 13.5 hours
Roughly 19% of the park's yearly visitors come in August: about 440,000 recreation visits in a typical year, 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 44/100 ("Poor"). Our recommended month is October: 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 2.1 miles from the park.
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.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 86°F / 68°F | 2.5× Very busy | 38 Poor |
| August | 85°F / 68°F | 2.2× Very busy | 44 Poor |
| September | 80°F / 64°F | 1.3× Busy | 63 Good |
All twelve months at Assateague Island, with the best time to visit.
Things to do at Assateague Island in August
The National Park Service tags 6 Assateague Island 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 68°F at Assateague Island National Seashore, with about 4.2 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 2.1 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Assateague Island National Seashore (about 2.2× the average month). Our best-time score rates it "Poor" at 44/100. Our recommended month 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
Booking a August trip to Assateague Island National Seashore? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Assateague Island
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.