How Crowded Is Craters Of The Moon National Monument & Preserve in April?
April runs about 0.6× Craters Of The Moon National Monument & Preserve's average month, which makes it a quiet month here — roughly 5% of the park's yearly visitors come in April.
In a typical April the park sees about 12,000 recreation visits, based on National Park Service monthly counts from 1979 to 2025.
That makes April the 7th-busiest of the park's twelve months, sitting between the July peak (2.3×) and the January low (0.1×).
On our Best Time to Visit score April rates 55/100 ("Fair"), versus the top-rated August at 60/100 — best overall balance of crowds, weather and daylight.
Typical April weather, from 1991–2020 NOAA climate normals at the nearest station, averages a daytime high near 51°F and an overnight low around 31°F, with about 1.1" of precipitation.
That average of about 41°F is cool, so layers and a shorter daylight window matter.
Because June, July and August together draw about 53% of annual visitors, choosing April instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 13.2 hours of daylight in April to explore — between the 8.8-hour midwinter low and the 15.2-hour summer high.
Park-wide, 2025 drew 260,418 recreation visits, down 17.1% from 314,118 in 2024.
Frequently Asked Questions
April is quiet at Craters Of The Moon National Monument & Preserve (about 0.6× the average month). Our best-time score rates it "Fair". The single best month overall is August.
The busiest month is July and the quietest is January. April sits at about 0.6× the park's average, or 5% of annual visitation.
A typical April sees about 12,000 recreation visits at Craters Of The Moon National Monument & Preserve, based on National Park Service monthly counts from 1979–2025.
Where to stay near Craters Of The Moon in April
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Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-07-14.