Average annual temperature is 26.3 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 29 days
Number of rainy days: 336 days
Look at detailed online map of Banc de Sable
* Weather data for Banc de Sable French Guiana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.1 | 29.9 | 31.9 | 32.8 | 32.3 | 31.9 | 32.1 | 34.8 | 37.7 | 38.3 | 37.8 | 35.3 |
| Average daytime temperature (°C) | 27.8 | 27.7 | 30.1 | 29.8 | 29.7 | 30.7 | 30.5 | 32.8 | 35.1 | 36.0 | 34.3 | 32.0 |
| Average temperature (°C) | 24.0 | 24.3 | 25.6 | 25.5 | 25.5 | 25.6 | 25.7 | 27.2 | 28.2 | 28.9 | 27.8 | 26.4 |
| Average night temperature (°C) | 21.9 | 22.4 | 22.5 | 22.9 | 23.3 | 22.9 | 22.9 | 23.5 | 23.9 | 24.5 | 23.9 | 23.2 |
| Absolute minimum temperature (°C) | 19.6 | 21.3 | 20.8 | 21.8 | 22.4 | 22.0 | 21.5 | 22.0 | 22.5 | 22.9 | 22.4 | 21.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.4 | 12.4 | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 7.1 | 5.1 | 9.7 | 7.4 | 6.7 | 8.1 | 9.6 | 10.8 | 10.6 | 10.5 | 10.5 | 9.4 |
| Precipitation (mm) | 442 | 475 | 106 | 384 | 592 | 347 | 264 | 145 | 69 | 91 | 107 | 185 |
| Sunny days | 1 | 0 | 1 | 3 | 0 | 0 | 0 | 7 | 8 | 6 | 3 | 0 |
| Rainy days | 30 | 28 | 30 | 27 | 31 | 30 | 31 | 24 | 22 | 25 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Banc de Sable is at