How Crowded Is Ste. Geneviève in August?
August is a very busy month at Ste. Geneviève National Historical Park, running about 1.7× the park's average month — roughly 14% of the year's visitors come in August. It is in fact the busiest month of the year here, so expect full parking lots, busy trails and booked-out campgrounds. If crowds bother you, January (the quietest month) or the recommended October are easier. Typical August weather averages a high near 88°F and a low around 66°F, with about 3.3" of precipitation. You'll get about 13.5 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Ste. Geneviève National Historical Park (about 1.7× the average month). Our best-time score rates it "Poor". The single best month overall is October.
The busiest month is August and the quietest is January. August sits at about 1.7× the park's average, or 14% of annual visitation.
Source: National Park Service Visitor Use Statistics (2024–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.