How Crowded Is John Muir in January?
January is a quiet month at John Muir National Historic Site, running about 0.8× the park's average month — roughly 7% of the year's visitors come in January. That puts it between the April peak and the December low. Overall our best-time score rates January as "Fair" for a visit. Typical January weather averages a high near 56°F and a low around 35°F, with about 3.9" of precipitation. You'll get about 9.6 hours of daylight to explore.
Frequently Asked Questions
January is quiet at John Muir National Historic Site (about 0.8× 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. January sits at about 0.8× the park's average, or 7% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.