How Crowded Is Harriet Tubman Underground Railroad National Historical Park in May?
May runs about 1.3× Harriet Tubman Underground Railroad National Historical Park's average month, which makes it a busy month here — roughly 11% of the park's yearly visitors come in May.
In a typical May the park sees roughly 1,800 recreation visits, based on National Park Service monthly counts from 2023 to 2025.
That makes May the 4th-busiest of the park's twelve months, sitting between the July peak (1.6×) and the January low (0.4×).
On our Best Time to Visit score May rates 37/100 ("Poor"), versus the top-rated January at 78/100 — the best overall balance of crowds and daylight.
Because June, July and August together draw about 37% 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 9.3-hour midwinter low and the 14.7-hour summer high.
Park-wide, 2025 drew 15,348 recreation visits, down 14.5% from 17,946 in 2024.
Frequently Asked Questions
May is busy at Harriet Tubman Underground Railroad National Historical Park (about 1.3× the average month). Our best-time score rates it "Poor". The single best month overall is January.
The busiest month is July and the quietest is January. May sits at about 1.3× the park's average, or 11% of annual visitation.
A typical May sees about 2,000 recreation visits at Harriet Tubman Underground Railroad National Historical Park, based on National Park Service monthly counts from 2023–2025.
Where to stay near Harriet Tubman Underground Railroad in May
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Top-rated places to stay near Harriet Tubman Underground Railroad
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (2023–2025). Updated 2026-07-14.