Cayenne weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Fair
Best time to visit: January – March, September – October
What is the weather like in Cayenne in October?
In October, Cayenne is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 28.3 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 65 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Cayenne.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 57 | 52 | 44 |
| Day | 32° | 32° | 30° |
| Night | 24° | 25° | 24° |
| Sea | 28° | 28° | 28° |
| Sun | 8 h | 8 h | 7 h |
| Rain days | 10 | 11 | 20 |
More details for October
- Daylight
- 12 h 1 min06:14 – 18:15
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 29 days30 °C or moreAll months
- Time zone
- UTC−3America/Cayenne
How the score comes together
- Temperatureweight 50 %42 %
- Sunshineweight 20 %78 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Cayenne in October: quick answers
Is Cayenne hot in October?
Yes. In October, Cayenne is hot: daytime highs average 32 °C and nights stay around 25 °C. On about 29 days the thermometer climbs to 30 °C or more.
Can you swim in Cayenne in October?
Yes. In October the sea averages 28.3 °C – lovely and warm for swimming.
Does it rain much in Cayenne in October?
Rain is frequent, with about 11 rainy days and 65 mm in total.
Cayenne month by month
The whole year in CayenneAll destinations: French GuianaWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences