How Crowded Is Lowell in August?
August is a busy month at Lowell National Historical Park, running about 1.5× the park's average month — roughly 12% of the year's visitors come in August. That puts it between the July peak and the December low. Overall our best-time score rates August as "Excellent" for a visit. Typical August weather averages a high near 83°F and a low around 59°F, with about 4" of precipitation. You'll get about 13.7 hours of daylight to explore.
Frequently Asked Questions
August is busy at Lowell National Historical Park (about 1.5× the average month). Our best-time score rates it "Excellent". The single best month overall is September.
The busiest month is July and the quietest is December. August sits at about 1.5× the park's average, or 12% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.