Roseau weather in October
October in Roseau: hot, rainy, with clean air — a great time to visit.
#12 of 12 months in Roseau · #296 of 604 destinations to visit in October · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Roseau climate normals — October
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 138 mm / 5.4 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 11.8 h | |
| Wind | 29 km/h / 18 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Roseau in October — FAQ
- Is October a good time to visit Roseau?
- October in Roseau: hot, rainy, with clean air — a great time to visit. It ranks #12 of 12 months for Roseau on SeasonMap's comfort score (77/100).
- What is the weather like in Roseau in October?
- In October, Roseau averages a daily high of 28.3°C and a low of 26.3°C, with about 138 mm of rain over roughly 17.6 rainy days.
- What is the air quality in Roseau in October?
- Roseau has a mean US Air Quality Index of about 40 in October.