How Crowded Is Assateague Island National Seashore in May?
May runs about 1× Assateague Island National Seashore's average month, which makes it an average month here — roughly 8% of the park's yearly visitors come in May.
In a typical May the park sees about 195,000 recreation visits, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 5th-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 May rates 73/100 ("Good"), versus the top-rated October at 70/100 — pleasant weather with noticeably thinner crowds (shoulder season).
Typical May weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 72°F and an overnight low around 54°F, with about 3.2" of precipitation.
That average of about 63°F is a comfortable range for hiking and being outdoors all day.
Because June, July and August together draw about 55% of annual visitors, choosing May instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 14.1 hours of daylight in May 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
May is average at Assateague Island National Seashore (about 1.0× the average month). Our best-time score rates it "Good". The single best month overall is October.
The busiest month is July and the quietest is December. May sits at about 1.0× the park's average, or 8% of annual visitation.
A typical May sees about 195,000 recreation visits at Assateague Island National Seashore, based on National Park Service monthly counts from 1979–2025.
Where to stay near Assateague Island in May
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Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-07-14.