How Crowded Is Mount Rushmore in August?
August is a very busy month at Mount Rushmore National Memorial, running about 2.4× the park's average month — roughly 20% 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 78°F and a low around 58°F, with about 2.3" of precipitation. You'll get about 13.8 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Mount Rushmore National Memorial (about 2.4× 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 2.4× the park's average, or 20% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.