Roatán weather in August
August in Roatán: sweltering, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Roatán · #298 of 604 destinations to visit in August · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Roatán climate normals — August
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 81°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 68 mm / 2.7 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.7 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Roatán in August — FAQ
- Is August a good time to visit Roatán?
- August in Roatán: sweltering, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Roatán on SeasonMap's comfort score (80/100).
- What is the weather like in Roatán in August?
- In August, Roatán averages a daily high of 28.7°C and a low of 27.3°C, with about 68.1 mm of rain over roughly 13.4 rainy days.
- What is the air quality in Roatán in August?
- Roatán has a mean US Air Quality Index of about 46 in August.