Average annual temperature is 24.5 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of La Grande Montagne
* Weather data for La Grande Montagne 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) | 29.6 | 30.0 | 29.5 | 28.9 | 27.7 | 27.8 | 26.6 | 26.6 | 27.3 | 30.3 | 29.7 | 31.9 |
| Average daytime temperature (°C) | 27.7 | 27.7 | 27.6 | 27.6 | 25.9 | 24.7 | 24.5 | 24.6 | 25.5 | 27.3 | 27.6 | 28.9 |
| Average temperature (°C) | 26.0 | 26.0 | 25.9 | 25.7 | 24.2 | 22.5 | 22.0 | 22.3 | 22.9 | 24.7 | 25.2 | 26.3 |
| Average night temperature (°C) | 24.2 | 24.1 | 24.2 | 23.8 | 22.4 | 20.2 | 19.2 | 20.3 | 20.2 | 21.9 | 22.5 | 23.6 |
| Absolute minimum temperature (°C) | 22.8 | 22.3 | 21.1 | 20.9 | 20.0 | 16.5 | 16.6 | 18.6 | 18.7 | 18.6 | 19.2 | 20.3 |
| 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) | 9.6 | 10.6 | 10.1 | 9.5 | 9.4 | 9.6 | 9.5 | 9.1 | 10.6 | 11.3 | 10.9 | 10.5 |
| Precipitation (mm) | 726 | 564 | 409 | 330 | 170 | 192 | 178 | 221 | 115 | 81 | 234 | 298 |
| Sunny days | 0 | 0 | 2 | 0 | 2 | 2 | 10 | 2 | 2 | 13 | 3 | 4 |
| Rainy days | 31 | 28 | 29 | 30 | 29 | 28 | 21 | 29 | 28 | 18 | 27 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in La Grande Montagne is at