Biscayne National Park in December
In December, Biscayne National Park averages a high of 80°F and a low of 66°F, with 2.2 inches of precipitation (rain plus melted snow). About 34,000 people visit, the 10th busiest of 12 (busy). Days are 10 hours 33 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 80° / 66°F
- Precipitation
- 2.2in
- Snow
- 0in
- Daylight
- 10h 33m
- Visitors
- 34,000
- Crowds
- Busy
December is one of the best months to visit: mild weather with busy crowds.
Weather 1991–2020 averages at Cape Florida, FL, 14.5 miles from the park's center, 6 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in December
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Everglades National Park | 78° / 61° | Busy | Mild |
| Big Cypress National Preserve | 77° / 55° | Busy | Mild |
| Dry Tortugas National Park | 76° / 67° | Busy | Mild, wet |
| Canaveral National Seashore | 73° / 52° | Busy | Mild |
| Timucuan Ecological and Historic Preserve | 66° / 50° | Busy | Mild |
Closures, reservations and alerts: Biscayne National Park on nps.gov
All twelve months at Biscayne · National parks to visit in December