How Crowded Is LBJ Memorial Grove on the Potomac in May?
May runs about 1× LBJ Memorial Grove on the Potomac'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 19,000 recreation visits, based on National Park Service monthly counts from 1984 to 2025.
That makes May the 7th-busiest of the park's twelve months, sitting between the July peak (1.3×) and the February low (0.6×).
On our Best Time to Visit score May rates 68/100 ("Good"), versus the top-rated April at 62/100 — 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 77°F and an overnight low around 58°F, with about 3.9" of precipitation.
That average of about 67°F is a comfortable range for hiking and being outdoors all day.
Because June, July and August together draw about 30% 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 236,042 recreation visits, down 2.2% from 241,358 in 2024.
Frequently Asked Questions
May is average at LBJ Memorial Grove on the Potomac (about 0.9× the average month). Our best-time score rates it "Good". The single best month overall is April.
The busiest month is July and the quietest is February. May sits at about 0.9× the park's average, or 8% of annual visitation.
A typical May sees about 19,000 recreation visits at LBJ Memorial Grove on the Potomac, based on National Park Service monthly counts from 1984–2025.
Where to stay near LBJ Memorial Grove on the Potomac in May
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Source: National Park Service Visitor Use Statistics (1984–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-07-14.