How Crowded Is Craters Of The Moon in August?
August is a very busy month at Craters Of The Moon National Monument & Preserve, running about 2.0× the park's average month — roughly 17% of the year's visitors come in August. That puts it between the July peak and the January low. Overall our best-time score rates August as "Good" for a visit. Typical August weather averages a high near 82°F and a low around 54°F, with about 0.5" of precipitation. You'll get about 13.8 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Craters Of The Moon National Monument & Preserve (about 2.0× the average month). Our best-time score rates it "Good". The single best month overall is August.
The busiest month is July and the quietest is January. August sits at about 2.0× the park's average, or 17% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.