August is a good month at Dry Tortugas — it ranks 8th of the twelve here. Expect about 26% fewer visitors than May, the park's peak — 6,431 visits on average. Days run around 91°F by afternoon and 79°F at night, with 13 hours of daylight.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Good | 6,431 | −26% | 91°F | 79°F | — | 13 h |
| February (best) | Good | 6,443 | −25% | 76°F | 66°F | — | 11.3 h |
| May (peak crowds) | Good | 8,643 | peak | 86°F | 75°F | — | 13.3 h |
Weather figures are for Garden Key, the island Fort Jefferson stands on — the Dry Tortugas station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is August a good time to visit Dry Tortugas?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. August ranks 8 of 12 at Dry Tortugas on crowds, weather, daylight, and access together.
How crowded is Dry Tortugas in August?
About 6,431 recreation visits on average — 26% below May, the park's peak.
How warm is Dry Tortugas in August?
Average highs around 91°F and lows around 79°F at the Dry Tortugas station.
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