How Crowded Is Walnut Canyon in December?
December is a quiet month at Walnut Canyon National Monument, running about 0.5× the park's average month — roughly 4% of the year's visitors come in December. That puts it between the April peak and the January low. Overall our best-time score rates December as "Poor" for a visit. Typical December weather averages a high near 45°F and a low around 21°F, with about 1.2" of precipitation and roughly 9.8" of snow. You'll get about 9.6 hours of daylight to explore.
Frequently Asked Questions
December is quiet at Walnut Canyon National Monument (about 0.5× the average month). Our best-time score rates it "Poor". The single best month overall is August.
The busiest month is April and the quietest is January. December sits at about 0.5× the park's average, or 4% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.