How Crowded Is Muir Woods in January?
January is a quiet month at Muir Woods National Monument, running about 0.6× the park's average month — roughly 5% of the year's visitors come in January. That puts it between the July peak and the February low. Overall our best-time score rates January as "Fair" for a visit. Typical January weather averages a high near 57°F and a low around 42°F, with about 8.8" of precipitation. You'll get about 9.6 hours of daylight to explore.
Frequently Asked Questions
January is quiet at Muir Woods National Monument (about 0.6× the average month). Our best-time score rates it "Fair". The single best month overall is October.
The busiest month is July and the quietest is February. January sits at about 0.6× the park's average, or 5% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.