How Crowded Is John Muir in December?
December is a quiet month at John Muir National Historic Site, running about 0.7× the park's average month — roughly 6% 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 57°F and a low around 35°F, with about 3.8" of precipitation. You'll get about 9.4 hours of daylight to explore.
Frequently Asked Questions
December is quiet at John Muir National Historic Site (about 0.7× the average month). Our best-time score rates it "Fair". The single best month overall is September.
The busiest month is April and the quietest is December. December sits at about 0.7× the park's average, or 6% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.