Maui weather in May
May in Maui: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Maui · #341 of 604 destinations to visit in May · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Maui climate normals — May
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 70 mm / 2.8 in | 🌦 some rain |
| Rainy days | 21 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 13.1 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Maui?
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Maui in May — FAQ
- Is May a good time to visit Maui?
- May in Maui: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Maui on SeasonMap's comfort score (80/100).
- What is the weather like in Maui in May?
- In May, Maui averages a daily high of 17.7°C and a low of 13.9°C, with about 70.1 mm of rain over roughly 20.8 rainy days.
- What is the air quality in Maui in May?
- Maui has a mean US Air Quality Index of about 32 in May.