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Dry Tortugas in May: Crowds, Weather & What to Pack

Peak crowds · VisitWhen score 55/100 · #8 of 12 months

May is peak season — expect the year's biggest crowds at Dry Tortugas National Park: crowds run 100% of the May peak (8,643 average visits). Weather: highs average 86°F and lows 75°F, with 2.0″ of precipitation and 13.3 hours of daylight. Computed from NPS and NOAA data.

Bring for Dry Tortugas in May

  1. Sun protection and 2L+ water per personSee it on AmazonWhy: highs average 86°F.
  2. Packable rain jacketSee it on AmazonWhy: 2.0″ of precipitation is normal this month.

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A few of the stars at night with a view of Fort Jefferson.
Dry Tortugas National Park — photo: NPS Photo / Brett Seymour (public-domain NPS media)

Crowds in May

May is Dry Tortugas's busiest month — an average of 8,643 recreation visits (2021–2025), the park's crowd peak. Trailheads and parking fill accordingly — book early and start days at dawn.

Average visits (May)
8,643 (mean 2021–2025, NPS)
Share of the year
10.3% of annual visitation
vs. peak (May)
100%

Weather & daylight

Days run warm (highs average 86°F), and nights stay mild (lows average 75°F). Average precipitation is 2.0″ for the month. Mid-month daylight runs 13.3 hours.

NOAA 1991–2020 monthly normals, station DRY TORTUGAS, FL US (0 mi from park coordinates, 3 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of May.

What to pack for Dry Tortugas in May

Computed from the month's weather normals above — not a generic list.

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If your dates are flexible, consider shifting: The computed best months for Dry Tortugas are January and February.

Also at their best in May

Other parks whose computed May verdict is a best window — same NPS × NOAA formula:

Common questions

Is Dry Tortugas crowded in May?

Yes — May runs 100% of Dry Tortugas's peak, averaging 8,643 recreation visits (NPS, 2021–2025).

What is the weather like in Dry Tortugas in May?

Average highs of 86°F, lows of 75°F, 2.0″ of precipitation (NOAA 1991–2020 normals, DRY TORTUGAS, FL US station).

What should I pack for Dry Tortugas in May?

Sun protection and 2L+ water per person; Packable rain jacket; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.

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See also: the best national parks to visit in May · Last verified 2026-09-24