Best Time to Visit Biscayne National Park
The best months to visit Biscayne National Park are January, February, December — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. May is the crowd peak (61,658 monthly visits); October is quietest at 59% of peak.
Monthly crowd curve
Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.
Biscayne month by month
| Month | Verdict | Avg visits | % of peak | High / Low | Precip | Daylight |
|---|---|---|---|---|---|---|
| January | Best window | 45,467 | 74% | 78°F / 63°F | 2.4″ | 10.7h |
| February | Best window | 50,028 | 81% | 79°F / 65°F | 2.0″ | 11.3h |
| March | Peak crowds | 59,076 | 96% | 81°F / 67°F | 2.4″ | 12h |
| April | Peak crowds | 55,439 | 90% | 84°F / 72°F | 3.2″ | 12.7h |
| May | Peak crowds | 61,658 | 100% | 87°F / 75°F | 5.7″ | 13.4h |
| June | Peak crowds | 49,942 | 81% | 90°F / 78°F | 7.4″ | 13.7h |
| July | Peak crowds | 58,314 | 95% | 91°F / 79°F | 5.6″ | 13.6h |
| August | Peak crowds | 45,382 | 74% | 91°F / 79°F | 7.0″ | 13h |
| September | Peak crowds | 45,559 | 74% | 90°F / 79°F | 7.5″ | 12.3h |
| October | Shoulder | 36,611 | 59% | 87°F / 76°F | 6.3″ | 11.6h |
| November | Shoulder | 40,603 | 66% | 83°F / 71°F | 3.5″ | 10.9h |
| December | Best window | 47,260 | 77% | 80°F / 66°F | 2.2″ | 10.6h |
Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station CAPE FLORIDA, FL US (12 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.
Common questions
What is the best month to visit Biscayne?
January, February, December rank best for Biscayne on VisitWhen's computed score — the strongest balance of low crowds (NPS data), comfortable weather (NOAA normals) and daylight.
What is the most crowded month at Biscayne?
May: an average of 61,658 recreation visits (NPS, 2021–2025). The quietest is October, at 59% of the May peak.
How many people visit Biscayne per year?
Biscayne National Park averaged 595,339 recreation visits per year over 2021–2025, per official NPS Visitor Use Statistics.
Dive into a month
Last verified 2026-07-16 · all parks