Biscayne National Park weather in October
October in Biscayne National Park: hot, rainy, with clean air — a good time to visit.
#8 of 12 months in Biscayne National Park · #478 of 604 destinations to visit in October · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Biscayne National Park climate normals — October
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 132 mm / 5.2 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 21°C / 71°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 11.6 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Biscayne National Park?
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Biscayne National Park in October — FAQ
- Is October a good time to visit Biscayne National Park?
- October in Biscayne National Park: hot, rainy, with clean air — a good time to visit. It ranks #8 of 12 months for Biscayne National Park on SeasonMap's comfort score (64/100).
- What is the weather like in Biscayne National Park in October?
- In October, Biscayne National Park averages a daily high of 28.7°C and a low of 24.5°C, with about 131.7 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Biscayne National Park in October?
- Biscayne National Park has a mean US Air Quality Index of about 37 in October.