How Crowded Is Lewis and Clark in January?
January is a very quiet month at Lewis and Clark National Historical Park, running about 0.5× the park's average month — roughly 4% of the year's visitors come in January. That puts it between the July peak and the December low. Overall our best-time score rates January as "Fair" for a visit. Typical January weather averages a high near 49°F and a low around 38°F, with about 10.6" of precipitation. You'll get about 8.8 hours of daylight to explore.
Frequently Asked Questions
January is very quiet at Lewis and Clark National Historical Park (about 0.5× the average month). Our best-time score rates it "Fair". The single best month overall is May.
The busiest month is July and the quietest is December. January 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.