How Crowded Is Manassas in July?
July is a busy month at Manassas National Battlefield Park, running about 1.3× the park's average month — roughly 11% of the year's visitors come in July. That puts it between the April peak and the January low. Overall our best-time score rates July as "Fair" for a visit. Typical July weather averages a high near 88°F and a low around 69°F. You'll get about 14.5 hours of daylight to explore.
Frequently Asked Questions
July is busy at Manassas National Battlefield Park (about 1.3× the average month). Our best-time score rates it "Fair". The single best month overall is May.
The busiest month is April and the quietest is January. July sits at about 1.3× the park's average, or 11% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.