Monthly climate guide
Cayenne weather in October
With highs near 30°C (86°F) and lows around 25°C (78°F), October feels hot in Cayenne. Rainfall averages about 62 mm (some rain) and the sky is a mix of sun and cloud. Daytime highs are about the same as September and about the same as November.
What stands out in October
- There's little difference between day and night (around 5°C).
- Humidity near 80% makes 30°C feel stickier than it sounds.
- It's one of the drier stretches of the year in Cayenne.
- Rain is well below Cayenne's usual level (around 74% less).
October is typically Cayenne's warmest month.
Avg high
30°C
86°F
Avg low
25°C
78°F
Rainfall
62 mm
some rain
Humidity
80%
relative
Sky
44%
cloud · a mix of sun and cloud
Cayenne weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 28°C / 82°F | 24°C / 76°F | 251 mm | 85% | 71% |
| February | 28°C / 82°F | 24°C / 76°F | 292 mm | 85% | 80% |
| March | 28°C / 83°F | 25°C / 76°F | 242 mm | 83% | 72% |
| April | 28°C / 83°F | 25°C / 77°F | 333 mm | 85% | 77% |
| May | 28°C / 82°F | 25°C / 77°F | 541 mm | 89% | 81% |
| June | 28°C / 82°F | 25°C / 77°F | 315 mm | 88% | 70% |
| July | 28°C / 83°F | 25°C / 76°F | 223 mm | 87% | 57% |
| August | 29°C / 83°F | 25°C / 76°F | 118 mm | 85% | 43% |
| September | 29°C / 84°F | 25°C / 77°F | 62 mm | 83% | 36% |
| October | 30°C / 86°F | 25°C / 78°F | 62 mm | 80% | 44% |
| November | 30°C / 85°F | 25°C / 78°F | 125 mm | 82% | 58% |
| December | 28°C / 83°F | 25°C / 77°F | 297 mm | 85% | 70% |
What to pack for October
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A small travel umbrella, just in case
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is October a good time to visit Cayenne?
Compare the months in the chart above to find your ideal window.
Best time to visit Cayenne →Cite or embed this data
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Cayenne weather in October. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/french-guiana/cayenne/october
<a href="https://weathercompare.eu/weather/french-guiana/cayenne/october">Cayenne weather in October</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/french-guiana/cayenne" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Cayenne weather in October"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/french-guiana/cayenne/october">Cayenne weather in October</a> – WeatherCompare</p>
Cayenne in October: quick answers
Is October a good time to visit Cayenne?
Yes. October is one of the best months for Cayenne, with highs around 30°C and about 62 mm of rain.
How warm is Cayenne in October?
Average highs are about 30°C (86°F) and average lows about 25°C (78°F), based on 10 years of daily data.
Does it rain a lot in Cayenne in October?
Cayenne typically gets around 62 mm of rain in October — some rain.
Figures are long-term averages for the area around Cayenne (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.