How Crowded Is Petrified Forest in August?
August is a busy month at Petrified Forest National Park, running about 1.2× the park's average month — roughly 10% of the year's visitors come in August. That puts it between the June peak and the January low. Overall our best-time score rates August as "Good" for a visit. Typical August weather averages a high near 88°F and a low around 58°F, with about 1.7" of precipitation. You'll get about 13.3 hours of daylight to explore.
Frequently Asked Questions
August is busy at Petrified Forest National Park (about 1.2× the average month). Our best-time score rates it "Good". The single best month overall is September.
The busiest month is June and the quietest is January. August sits at about 1.2× the park's average, or 10% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.