How Crowded Is Stonewall in December?
December is a very quiet month at Stonewall National Monument, running about 0.2× the park's average month — roughly 2% of the year's visitors come in December. That puts it between the June peak and the September low. Overall our best-time score rates December as "Poor" for a visit. Typical December weather averages a high near 44°F and a low around 34°F, with about 4.4" of precipitation and roughly 4.9" of snow. You'll get about 9.1 hours of daylight to explore.
Frequently Asked Questions
December is very quiet at Stonewall National Monument (about 0.2× the average month). Our best-time score rates it "Poor". The single best month overall is September.
The busiest month is June and the quietest is September. December sits at about 0.2× the park's average, or 2% of annual visitation.
Source: National Park Service Visitor Use Statistics (2017–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.