Dry Tortugas National Park weather in December
December in Dry Tortugas National Park: warm, a little rain, with clean air — a great time to visit.
#6 of 12 months in Dry Tortugas National Park · #275 of 604 destinations to visit in December · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Dry Tortugas National Park climate normals — December
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 51 mm / 2 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 19°C / 65°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 10.6 h | |
| Wind | 30 km/h / 18 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 December — FAQ
- Is December a good time to visit Dry Tortugas National Park?
- December in Dry Tortugas National Park: warm, a little rain, with clean air — a great time to visit. It ranks #6 of 12 months for Dry Tortugas National Park on SeasonMap's comfort score (71/100).
- What is the weather like in Dry Tortugas National Park in December?
- In December, Dry Tortugas National Park averages a daily high of 23.9°C and a low of 22.2°C, with about 51.4 mm of rain over roughly 6.6 rainy days.
- What is the air quality in Dry Tortugas National Park in December?
- Dry Tortugas National Park has a mean US Air Quality Index of about 44 in December.