Average annual temperature is 18.9 °C
Absolute maximum temperature: 27.2 °C
Absolute minimum temperature: 10.2 °C
Number of sunny days: 38 days
Number of rainy days: 327 days
Look at detailed online map of Grande Ravine
* Weather data for Grande Ravine 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) | 25.5 | 27.2 | 25.3 | 24.1 | 23.9 | 21.8 | 20.6 | 20.9 | 21.5 | 24.8 | 24.8 | 25.4 |
| Average daytime temperature (°C) | 22.8 | 23.2 | 23.2 | 22.4 | 21.2 | 19.4 | 19.1 | 18.9 | 20.0 | 21.7 | 21.8 | 22.8 |
| Average temperature (°C) | 20.8 | 21.0 | 20.9 | 20.2 | 18.9 | 16.8 | 16.1 | 16.6 | 17.1 | 18.8 | 19.3 | 20.5 |
| Average night temperature (°C) | 18.9 | 18.9 | 18.7 | 18.4 | 16.8 | 14.2 | 13.1 | 14.4 | 14.2 | 16.0 | 16.6 | 17.7 |
| Absolute minimum temperature (°C) | 16.9 | 15.9 | 15.5 | 15.9 | 13.7 | 10.2 | 10.3 | 12.5 | 12.2 | 13.0 | 13.6 | 14.3 |
| 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) | 9.9 | 11.0 | 10.7 | 9.6 | 9.7 | 9.9 | 9.6 | 10.1 | 10.6 | 11.5 | 10.9 | 10.8 |
| Precipitation (mm) | 724 | 218 | 212 | 304 | 116 | 80 | 34 | 159 | 70 | 160 | 217 | 239 |
| Sunny days | 0 | 0 | 2 | 1 | 3 | 7 | 14 | 0 | 4 | 4 | 1 | 2 |
| Rainy days | 31 | 28 | 29 | 29 | 28 | 23 | 17 | 31 | 26 | 27 | 29 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grande Ravine is at