How Crowded Is Johnstown Flood in June?
June is an average month at Johnstown Flood National Memorial, running about 1.0× the park's average month — roughly 9% of the year's visitors come in June. That puts it between the July peak and the January low. Overall our best-time score rates June as "Good" for a visit. Typical June weather averages a high near 75°F and a low around 57°F, with about 4.4" of precipitation. You'll get about 14.9 hours of daylight to explore.
Frequently Asked Questions
June is average at Johnstown Flood National Memorial (about 1.0× the average month). Our best-time score rates it "Good". The single best month overall is June.
The busiest month is July and the quietest is January. June sits at about 1.0× the park's average, or 9% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.