How Crowded Is Upper Delaware in December?
December is a very quiet month at Upper Delaware Scenic & Recreational River, running about 0.2× the park's average month — roughly 2% of the year's visitors come in December. It is the quietest month of the year here — the best time to have the place largely to yourself, though you may trade away some warmth and daylight. Typical December weather averages a high near 38°F and a low around 21°F, with about 3.7" of precipitation. You'll get about 9.0 hours of daylight to explore.
Frequently Asked Questions
December is very quiet at Upper Delaware Scenic & Recreational River (about 0.2× the average month). Our best-time score rates it "Poor". The single best month overall is June.
The busiest month is July and the quietest is December. December sits at about 0.2× the park's average, or 2% of annual visitation.
Source: National Park Service Visitor Use Statistics (1980–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.