How Crowded Is John Muir National Historic Site in May?
May runs about 1.1× John Muir National Historic Site's average month, which makes it an average month here — roughly 9% of the park's yearly visitors come in May.
In a typical May the park sees roughly 3,800 recreation visits, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 4th-busiest of the park's twelve months, sitting between the April peak (1.6×) and the December low (0.7×).
On our Best Time to Visit score May rates 73/100 ("Good"), versus the top-rated September at 85/100 — 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 78°F and an overnight low around 46°F, with about 0.6" of precipitation.
That average of about 62°F is a comfortable range for hiking and being outdoors all day.
Because June, July and August together draw about 27% 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 38,384 recreation visits, down 16.1% from 45,753 in 2024.
Frequently Asked Questions
May is average at John Muir National Historic Site (about 1.1× the average month). Our best-time score rates it "Good". The single best month overall is September.
The busiest month is April and the quietest is December. May sits at about 1.1× the park's average, or 9% of annual visitation.
A typical May sees about 4,000 recreation visits at John Muir National Historic Site, based on National Park Service monthly counts from 1979–2025.
Where to stay near John Muir 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.