How Crowded Is Petroglyph in January?
January is a quiet month at Petroglyph National Monument, running about 0.8× the park's average month — roughly 7% of the year's visitors come in January. That puts it between the October peak and the August low. Overall our best-time score rates January as "Fair" for a visit. Typical January weather averages a high near 50°F and a low around 24°F, with about 0.6" of precipitation. You'll get about 9.9 hours of daylight to explore.
Frequently Asked Questions
January is quiet at Petroglyph National Monument (about 0.8× the average month). Our best-time score rates it "Fair". The single best month overall is August.
The busiest month is October and the quietest is August. January sits at about 0.8× the park's average, or 7% of annual visitation.
Source: National Park Service Visitor Use Statistics (1992–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.