Cayenne weather in October
October in Cayenne: hot, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Cayenne · #602 of 897 destinations to visit in October · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cayenne in October
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Cayenne climate normals — October
| Daytime high | 32°C / 89°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Rainfall | 76 mm / 3 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cayenne in October — FAQ
- Is October a good time to visit Cayenne?
- October in Cayenne: hot, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Cayenne on SeasonMap's comfort score (72/100).
- What is the weather like in Cayenne in October?
- In October, Cayenne averages a daily high of 31.7°C and a low of 24.7°C, with about 76 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Cayenne in October?
- Cayenne has a mean US Air Quality Index of about 25 in October.