How Crowded Is Stonewall in June?
June is a very busy month at Stonewall National Monument, running about 10.6× the park's average month — roughly 88% of the year's visitors come in June. 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, September (the quietest month) or the recommended September are easier. Typical June weather averages a high near 80°F and a low around 64°F, with about 4.5" of precipitation. You'll get about 14.9 hours of daylight to explore.
Frequently Asked Questions
June is very busy at Stonewall National Monument (about 10.6× the average month). Our best-time score rates it "Fair". The single best month overall is September.
The busiest month is June and the quietest is September. June sits at about 10.6× the park's average, or 88% of annual visitation.
Source: National Park Service Visitor Use Statistics (2017–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.