How Crowded Is Lewis and Clark in March?
March is a quiet month at Lewis and Clark National Historical Park, running about 0.8× the park's average month — roughly 7% of the year's visitors come in March. That puts it between the July peak and the December low. Overall our best-time score rates March as "Fair" for a visit. Typical March weather averages a high near 53°F and a low around 39°F, with about 7.9" of precipitation. You'll get about 11.6 hours of daylight to explore.
Frequently Asked Questions
March is quiet at Lewis and Clark National Historical Park (about 0.8× 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. March 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.