How Crowded Is Fire Island in August?
August is a very busy month at Fire Island National Seashore, running about 2.6× the park's average month — roughly 22% of the year's visitors come in August. It is in fact the busiest month of the year here, so expect full parking lots, busy trails and booked-out campgrounds. If crowds bother you, January (the quietest month) or the recommended May are easier. Typical August weather averages a high near 80°F and a low around 69°F, with about 5.8" of precipitation. You'll get about 13.6 hours of daylight to explore.
Frequently Asked Questions
August is very busy at Fire Island National Seashore (about 2.6× the average month). Our best-time score rates it "Poor". The single best month overall is May.
The busiest month is August and the quietest is January. August sits at about 2.6× the park's average, or 22% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.