How Crowded Is Upper Delaware in August?
August is a very busy month at Upper Delaware Scenic & Recreational River, running about 2.6× the park's average month — roughly 22% of the year's visitors come in August. That puts it between the July peak and the December low. Overall our best-time score rates August as "Fair" for a visit. Typical August weather averages a high near 80°F and a low around 57°F, with about 4.6" of precipitation. You'll get about 13.7 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Upper Delaware Scenic & Recreational River (about 2.6× the average month). Our best-time score rates it "Fair". The single best month overall is June.
The busiest month is July and the quietest is December. August sits at about 2.6× the park's average, or 22% of annual visitation.
Source: National Park Service Visitor Use Statistics (1980–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.