Average annual temperature is 18.8 °C
Absolute maximum temperature: 26.0 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 25 days
Number of rainy days: 340 days
Look at detailed online map of Îlet à Bourse
* Weather data for Îlet à Bourse Réunion is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.3 | 26.0 | 25.1 | 23.8 | 22.6 | 21.5 | 20.7 | 20.3 | 22.0 | 23.5 | 24.0 | 25.8 |
| Average daytime temperature (°C) | 22.5 | 23.0 | 23.1 | 22.5 | 21.3 | 19.4 | 19.4 | 19.1 | 20.3 | 21.9 | 22.2 | 23.7 |
| Average temperature (°C) | 20.2 | 20.4 | 20.4 | 20.0 | 18.6 | 16.4 | 16.3 | 16.7 | 17.1 | 19.0 | 19.6 | 21.0 |
| Average night temperature (°C) | 18.1 | 17.9 | 17.9 | 17.8 | 16.0 | 13.4 | 13.2 | 14.5 | 14.0 | 16.1 | 16.7 | 18.3 |
| Absolute minimum temperature (°C) | 16.3 | 15.5 | 13.2 | 15.1 | 12.5 | 9.1 | 10.8 | 12.2 | 12.0 | 13.2 | 14.9 | 14.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.2 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 8.5 | 10.3 | 9.3 | 9.2 | 8.8 | 9.3 | 9.4 | 9.1 | 10.5 | 9.9 | 10.1 | 9.6 |
| Precipitation (mm) | 996 | 315 | 312 | 219 | 127 | 89 | 78 | 165 | 66 | 188 | 246 | 343 |
| Sunny days | 0 | 0 | 0 | 0 | 2 | 6 | 5 | 0 | 5 | 7 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 29 | 24 | 26 | 31 | 25 | 24 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Îlet à Bourse is at