How Crowded Is Petroglyph in October?
October is a busy month at Petroglyph National Monument, running about 1.4× the park's average month — roughly 12% of the year's visitors come in October. 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, August (the quietest month) or the recommended August are easier. Typical October weather averages a high near 72°F and a low around 43°F, with about 0.9" of precipitation. You'll get about 11.1 hours of daylight to explore.
Frequently Asked Questions
October is busy at Petroglyph National Monument (about 1.4× the average month). Our best-time score rates it "Poor". The single best month overall is August.
The busiest month is October and the quietest is August. October sits at about 1.4× the park's average, or 12% of annual visitation.
Source: National Park Service Visitor Use Statistics (1992–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.