How Crowded Is Zion in August?
August is a busy month at Zion National Park, running about 1.3× the park's average month — roughly 11% 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 "Poor" for a visit. Typical August weather averages a high near 98°F and a low around 69°F, with about 1.6" of precipitation. You'll get about 13.4 hours of daylight to explore.
Frequently Asked Questions
August is busy at Zion National Park (about 1.3× the average month). Our best-time score rates it "Poor". The single best month overall is April.
The busiest month is June and the quietest is January. August sits at about 1.3× the park's average, or 11% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.