Best Time to Visit Biscayne National Park
The best months to visit Biscayne National Park are January, February and 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.
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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.
How many people visit Biscayne each year
Biscayne National Park had 486,567 recreation visits in 2025, 5% fewer than 2024 (NPS Visitor Use Statistics). The busiest year since 2015 was 2019, with 708,522. Over 2021–2025 it averaged 595,339 visits a year, which makes it the 28th least-visited of the 63 national parks.
| Year | Recreation visits | vs. year before |
|---|---|---|
| 2025 | 486,567 | −5% |
| 2024 | 512,213 | −10% |
| 2023 | 571,242 | −19% |
| 2022 | 701,023 | −1% |
| 2021 | 705,655 | +75% |
| 2020 | 402,770 | −43% |
| 2019 | 708,522 | +51% |
| 2018 | 469,253 | +5% |
| 2017 | 446,961 | −13% |
| 2016 | 514,709 | +1% |
| 2015 | 508,164 | — |
Calendar-year recreation visits as published by NPS Visitor Use Statistics. 2020 is shown here but left out of the monthly averages above, because the COVID-19 pandemic makes it unrepresentative. See how every park compares: all 63 parks ranked by visits.
What to pack for Biscayne in January
Computed from January's weather normals — Biscayne's best month above. Visiting another month? Each month page has its own weather-computed list.
- Packable rain jacket — 2.4″ of precipitation is normal this month
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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Common questions
What is the best month to visit Biscayne?
January, February and 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.
When is Biscayne least crowded with decent conditions?
October. It is the park's quietest month (59% of the May peak, 36,611 average visits) without harsh-season weather.
How many people visit Biscayne per year?
Biscayne National Park had 486,567 recreation visits in 2025, 5% fewer than 2024 (NPS Visitor Use Statistics). The busiest year since 2015 was 2019, with 708,522. Over 2021–2025 it averaged 595,339 visits a year.
What is the weather like at Biscayne through the year?
The warmest month is August, with average highs of 91°F. The coldest nights come in January, averaging 63°F. The wettest month is September, with 7.5″ of precipitation. (NOAA 1991–2020 normals, CAPE FLORIDA, FL US station.)
Dive into a month
Comparing parks for the same trip? See how Biscayne ranks against all 63 parks in January, February and December.
Last verified 2026-09-24 · all parks