Average annual temperature is 20.4 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: 11.5 °C
Number of sunny days: 53 days
Number of rainy days: 312 days
Look at detailed online map of Le Grand Serré
* Weather data for Le Grand Serré 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) | 27.7 | 29.7 | 26.7 | 25.4 | 24.7 | 23.5 | 23.1 | 22.5 | 25.1 | 27.3 | 26.0 | 26.7 |
| Average daytime temperature (°C) | 24.8 | 24.9 | 25.2 | 24.1 | 22.8 | 21.0 | 20.9 | 21.0 | 22.9 | 24.3 | 23.4 | 24.7 |
| Average temperature (°C) | 22.6 | 22.6 | 22.6 | 21.9 | 20.5 | 18.3 | 17.2 | 17.8 | 18.7 | 20.3 | 20.4 | 21.7 |
| Average night temperature (°C) | 20.6 | 20.4 | 20.1 | 20.0 | 18.2 | 15.6 | 14.1 | 15.2 | 14.9 | 16.9 | 17.4 | 18.6 |
| Absolute minimum temperature (°C) | 19.0 | 17.0 | 17.1 | 17.3 | 15.0 | 11.8 | 11.5 | 12.9 | 13.3 | 14.3 | 14.3 | 15.6 |
| 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) | 13.3 | 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) | 10.0 | 11.0 | 10.8 | 9.5 | 9.6 | 9.9 | 9.7 | 10.2 | 10.7 | 11.4 | 10.8 | 10.9 |
| Precipitation (mm) | 546 | 201 | 184 | 334 | 110 | 61 | 50 | 91 | 27 | 134 | 247 | 284 |
| Sunny days | 0 | 1 | 3 | 1 | 2 | 9 | 15 | 3 | 7 | 8 | 2 | 2 |
| Rainy days | 31 | 27 | 28 | 29 | 29 | 21 | 16 | 28 | 23 | 23 | 28 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Le Grand Serré is at