Biscayne National Park in August
In August, Biscayne National Park averages a high of 91°F and a low of 79°F, with 7.0 inches of precipitation (rain plus melted snow). About 43,000 people visit, the 7th busiest of 12 (busy). Days are 13 hours 02 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 91° / 79°F
- Precipitation
- 7.0in
- Snow
- 0in
- Daylight
- 13h 2m
- Visitors
- 43,000
- Crowds
- Busy
Best months for weather and crowds instead: January (busy), February (busy) and December (busy).
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 August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Everglades National Park | 91° / 76° | Busy | Very hot |
| Big Cypress National Preserve | 92° / 74° | Moderate | Very hot |
| Dry Tortugas National Park | 91° / 79° | Busy | Very hot |
| Canaveral National Seashore | 91° / 73° | Busy | Very hot |
| Timucuan Ecological and Historic Preserve | 89° / 75° | Busy | Hot |
Closures, reservations and alerts: Biscayne National Park on nps.gov
All twelve months at Biscayne · National parks to visit in August