Average annual temperature is 23.7 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 57 days
Number of rainy days: 308 days
Look at detailed online map of Grand Canal
* Weather data for Grand Canal 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) | 29.0 | 30.9 | 30.2 | 28.3 | 27.6 | 26.0 | 26.4 | 24.8 | 27.2 | 28.6 | 29.1 | 32.1 |
| Average daytime temperature (°C) | 27.1 | 27.7 | 27.7 | 27.1 | 25.9 | 24.1 | 24.3 | 23.8 | 25.2 | 26.3 | 26.8 | 28.4 |
| Average temperature (°C) | 25.1 | 25.3 | 25.3 | 24.8 | 23.5 | 21.6 | 21.4 | 21.5 | 22.3 | 23.8 | 24.2 | 25.7 |
| Average night temperature (°C) | 23.0 | 22.7 | 22.9 | 22.5 | 21.1 | 19.0 | 18.7 | 19.3 | 19.3 | 21.0 | 21.4 | 22.8 |
| Absolute minimum temperature (°C) | 21.9 | 20.9 | 21.0 | 20.2 | 18.6 | 15.5 | 16.3 | 17.8 | 17.9 | 18.8 | 18.4 | 19.6 |
| 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) | 9.5 | 11.2 | 10.0 | 9.8 | 9.5 | 9.4 | 9.8 | 9.9 | 10.9 | 10.9 | 10.9 | 10.7 |
| Precipitation (mm) | 997 | 275 | 192 | 206 | 103 | 143 | 86 | 138 | 88 | 88 | 193 | 162 |
| Sunny days | 0 | 3 | 6 | 4 | 8 | 6 | 7 | 4 | 4 | 8 | 3 | 4 |
| Rainy days | 31 | 25 | 25 | 26 | 23 | 24 | 24 | 27 | 26 | 23 | 27 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grand Canal is at