Roatán weather in May
May in Roatán: hot, dry, with clean air — one of the best months to visit.
#1 of 12 months in Roatán · #208 of 604 destinations to visit in May · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Roatán climate normals — May
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 81°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 17 mm / 0.6 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 12.9 h | |
| Wind | 33 km/h / 20 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 Roatán?
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Roatán in May — FAQ
- Is May a good time to visit Roatán?
- May in Roatán: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Roatán on SeasonMap's comfort score (85/100).
- What is the weather like in Roatán in May?
- In May, Roatán averages a daily high of 28.1°C and a low of 27.3°C, with about 16.5 mm of rain over roughly 4.4 rainy days.
- What is the air quality in Roatán in May?
- Roatán has a mean US Air Quality Index of about 48 in May.