How Crowded Is Gateway in August?
August is a busy month at Gateway National Recreation Area, running about 1.5× the park's average month — roughly 13% of the year's visitors come in August. That puts it between the July peak and the February low. Overall our best-time score rates August as "Poor" for a visit. Typical August weather averages a high near 83°F and a low around 69°F, with about 3.9" of precipitation. You'll get about 13.6 hours of daylight to explore.
Frequently Asked Questions
August is busy at Gateway National Recreation Area (about 1.5× the average month). Our best-time score rates it "Poor". The single best month overall is October.
The busiest month is July and the quietest is February. August sits at about 1.5× the park's average, or 13% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.