How Crowded Is Thomas Edison in April?
April is a busy month at Thomas Edison National Historical Park, running about 1.2× the park's average month — roughly 10% of the year's visitors come in April. That puts it between the August peak and the January low. Overall our best-time score rates April as "Fair" for a visit. Typical April weather averages a high near 63°F and a low around 40°F, with about 4.1" of precipitation. You'll get about 13.1 hours of daylight to explore.
Frequently Asked Questions
April is busy at Thomas Edison National Historical Park (about 1.2× the average month). Our best-time score rates it "Fair". The single best month overall is September.
The busiest month is August and the quietest is January. April sits at about 1.2× the park's average, or 10% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.