How Crowded Is Manhattan Project in November?
November is a quiet month at Manhattan Project National Historical Park, running about 0.7× the park's average month — roughly 6% of the year's visitors come in November. That puts it between the July peak and the January low. Overall our best-time score rates November as "Poor" for a visit. Typical November weather averages a high near 50°F and a low around 28°F, with about 1" of precipitation and roughly 4.4" of snow. You'll get about 10.1 hours of daylight to explore.
Frequently Asked Questions
November is quiet at Manhattan Project National Historical Park (about 0.7× the average month). Our best-time score rates it "Poor". The single best month overall is May.
The busiest month is July and the quietest is January. November sits at about 0.7× the park's average, or 6% of annual visitation.
Source: National Park Service Visitor Use Statistics (2016–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.