How Crowded Is Frederick Law Olmsted in August?
August is a very busy month at Frederick Law Olmsted National Historic Site, running about 1.6× the park's average month — roughly 14% of the year's visitors come in August. That puts it between the July peak and the January low. Overall our best-time score rates August as "Fair" for a visit. Typical August weather averages a high near 83°F and a low around 63°F, with about 3.7" of precipitation. You'll get about 13.7 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Frederick Law Olmsted National Historic Site (about 1.6× 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 January. August sits at about 1.6× the park's average, or 14% of annual visitation.
Source: National Park Service Visitor Use Statistics (1981–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.