Biscayne National Park weather in July
July in Biscayne National Park: sweltering, rainy, with clean air — a good time to visit.
#10 of 12 months in Biscayne National Park · #475 of 604 destinations to visit in July · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Biscayne National Park climate normals — July
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 139 mm / 5.5 in | 🌧 rainy |
| Rainy days | 23 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 13.5 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 48 | 🍃 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 July — FAQ
- Is July a good time to visit Biscayne National Park?
- July in Biscayne National Park: sweltering, rainy, with clean air — a good time to visit. It ranks #10 of 12 months for Biscayne National Park on SeasonMap's comfort score (60/100).
- What is the weather like in Biscayne National Park in July?
- In July, Biscayne National Park averages a daily high of 30.6°C and a low of 26.4°C, with about 139.4 mm of rain over roughly 23.2 rainy days.
- What is the air quality in Biscayne National Park in July?
- Biscayne National Park has a mean US Air Quality Index of about 48 in July.