How Crowded Is Craters Of The Moon in April?
April is a quiet month at Craters Of The Moon National Monument & Preserve, running about 0.6× the park's average month — roughly 5% of the year's visitors come in April. That puts it between the July peak and the January low. Overall our best-time score rates April as "Fair" for a visit. Typical April weather averages a high near 51°F and a low around 31°F, with about 1.1" of precipitation. You'll get about 13.2 hours of daylight to explore.
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.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.