How Crowded Is Dry Tortugas in December?
December is an average month at Dry Tortugas National Park, running about 1.0× the park's average month — roughly 8% of the year's visitors come in December. That puts it between the June peak and the October low. Overall our best-time score rates December as "Fair" for a visit. Typical December weather averages a high near 76°F and a low around 67°F, with about 2.4" of precipitation. You'll get about 10.5 hours of daylight to explore.
Frequently Asked Questions
December is average at Dry Tortugas National Park (about 1.0× the average month). Our best-time score rates it "Fair". The single best month overall is February.
The busiest month is June and the quietest is October. December sits at about 1.0× the park's average, or 8% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.