Miami weather in May
May in Miami: hot, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Miami · #202 of 604 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Miami climate normals — May
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 121 mm / 4.8 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 11.6 h/day | |
| Daylight | 13.4 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Miami in May — FAQ
- Is May a good time to visit Miami?
- May in Miami: hot, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Miami on SeasonMap's comfort score (85/100).
- What is the weather like in Miami in May?
- In May, Miami averages a daily high of 28.3°C and a low of 23.9°C, with about 121.1 mm of rain over roughly 15.8 rainy days.
- What is the air quality in Miami in May?
- Miami has a mean US Air Quality Index of about 47 in May.