How Crowded Is Cumberland Island in August?
August is a quiet month at Cumberland Island National Seashore, running about 0.7× the park's average month — roughly 6% of the year's visitors come in August. That puts it between the March peak and the January low. Overall our best-time score rates August as "Good" for a visit. Typical August weather averages a high near 89°F and a low around 74°F, with about 6.5" of precipitation. You'll get about 13.1 hours of daylight to explore.
Frequently Asked Questions
August is quiet at Cumberland Island National Seashore (about 0.7× the average month). Our best-time score rates it "Good". The single best month overall is October.
The busiest month is March and the quietest is January. August sits at about 0.7× the park's average, or 6% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.