Average annual temperature is 18.4 °C
Absolute maximum temperature: 26.1 °C
Absolute minimum temperature: 9.5 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Îlet à Déjeuner
* Weather data for Îlet à Déjeuner 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) | 23.6 | 25.5 | 24.4 | 22.7 | 22.2 | 21.6 | 20.6 | 21.2 | 22.1 | 23.4 | 23.7 | 26.1 |
| Average daytime temperature (°C) | 22.1 | 22.3 | 22.0 | 21.9 | 20.5 | 18.8 | 19.0 | 19.1 | 20.3 | 21.4 | 22.0 | 23.3 |
| Average temperature (°C) | 20.0 | 20.1 | 19.9 | 19.6 | 18.2 | 16.2 | 15.8 | 16.4 | 17.0 | 18.4 | 19.2 | 20.4 |
| Average night temperature (°C) | 18.2 | 18.0 | 17.9 | 17.6 | 16.1 | 13.8 | 12.7 | 14.0 | 13.7 | 15.4 | 16.2 | 17.4 |
| Absolute minimum temperature (°C) | 16.7 | 15.3 | 14.0 | 14.9 | 12.3 | 9.5 | 10.0 | 11.7 | 12.1 | 12.9 | 13.9 | 13.4 |
| 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) | 9.4 | 10.6 | 10.1 | 9.6 | 9.4 | 9.7 | 9.7 | 9.5 | 10.7 | 11.2 | 10.9 | 10.5 |
| Precipitation (mm) | 695 | 328 | 328 | 213 | 132 | 147 | 97 | 150 | 78 | 168 | 280 | 385 |
| Sunny days | 0 | 1 | 0 | 1 | 2 | 3 | 10 | 3 | 13 | 6 | 1 | 1 |
| Rainy days | 31 | 27 | 31 | 29 | 29 | 27 | 21 | 28 | 17 | 25 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Îlet à Déjeuner is at