Biscayne National Park weather in March
March in Biscayne National Park: warm, dry, with clean air — a great time to visit.
#3 of 12 months in Biscayne National Park · #261 of 604 destinations to visit in March · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Biscayne National Park climate normals — March
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 30 mm / 1.2 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 42 | 🍃 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 March — FAQ
- Is March a good time to visit Biscayne National Park?
- March in Biscayne National Park: warm, dry, with clean air — a great time to visit. It ranks #3 of 12 months for Biscayne National Park on SeasonMap's comfort score (77/100).
- What is the weather like in Biscayne National Park in March?
- In March, Biscayne National Park averages a daily high of 26.7°C and a low of 21.2°C, with about 29.7 mm of rain over roughly 4.8 rainy days.
- What is the air quality in Biscayne National Park in March?
- Biscayne National Park has a mean US Air Quality Index of about 42 in March.