Cayenne weather in January
January in Cayenne: warm, soaked, with clean air — a gamble, with 26 rainy days.
#7 of 12 months in Cayenne · #629 of 897 destinations to visit in January · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cayenne in January
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Cayenne climate normals — January
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Rainfall | 308 mm / 12.1 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 8.9 h/day | |
| Daylight | 11.9 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cayenne in January — FAQ
- Is January a good time to visit Cayenne?
- January in Cayenne: warm, soaked, with clean air — a gamble, with 26 rainy days. It ranks #7 of 12 months for Cayenne on SeasonMap's comfort score (60/100).
- What is the weather like in Cayenne in January?
- In January, Cayenne averages a daily high of 27.4°C and a low of 23.3°C, with about 307.5 mm of rain over roughly 25.8 rainy days.
- What is the air quality in Cayenne in January?
- Cayenne has a mean US Air Quality Index of about 43 in January.