Dry Tortugas National Park weather in May
May in Dry Tortugas National Park: hot, a little rain, with clean air — a great time to visit.
#5 of 12 months in Dry Tortugas National Park · #445 of 604 destinations to visit in May · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Dry Tortugas National Park climate normals — May
| Daytime high | 27°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 61 mm / 2.4 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 21°C / 71°F | |
| Sunshine | 12.1 h/day | |
| Daylight | 13.3 h | |
| Wind | 25 km/h / 15 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Dry Tortugas National Park?
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Dry Tortugas National Park in May — FAQ
- Is May a good time to visit Dry Tortugas National Park?
- May in Dry Tortugas National Park: hot, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for Dry Tortugas National Park on SeasonMap's comfort score (72/100).
- What is the weather like in Dry Tortugas National Park in May?
- In May, Dry Tortugas National Park averages a daily high of 26.8°C and a low of 25.4°C, with about 61.1 mm of rain over roughly 6.4 rainy days.
- What is the air quality in Dry Tortugas National Park in May?
- Dry Tortugas National Park has a mean US Air Quality Index of about 44 in May.