Average annual temperature is 26.2 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 49 days
Number of rainy days: 316 days
Look at detailed online map of Grandou
* Weather data for Grandou Haiti is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.8 | 30.1 | 29.5 | 30.1 | 32.3 | 32.7 | 33.3 | 33.4 | 32.7 | 31.8 | 31.2 | 29.7 |
| Average daytime temperature (°C) | 27.9 | 28.6 | 28.1 | 28.7 | 30.2 | 30.0 | 31.6 | 31.5 | 31.3 | 30.0 | 29.1 | 28.2 |
| Average temperature (°C) | 24.0 | 24.4 | 24.5 | 25.2 | 26.9 | 27.2 | 28.0 | 28.1 | 27.8 | 27.0 | 25.9 | 25.0 |
| Average night temperature (°C) | 20.6 | 20.5 | 21.1 | 21.9 | 23.9 | 24.7 | 24.9 | 25.2 | 24.8 | 24.5 | 23.3 | 22.3 |
| Absolute minimum temperature (°C) | 18.6 | 19.2 | 19.9 | 20.1 | 22.6 | 23.1 | 23.8 | 24.5 | 24.1 | 22.8 | 21.0 | 21.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 10.9 | 11.6 | 11.4 | 10.8 | 11.3 | 11.2 | 11.1 | 10.1 | 9.3 | 9.7 |
| Precipitation (mm) | 41 | 34 | 65 | 79 | 117 | 135 | 96 | 156 | 112 | 177 | 179 | 66 |
| Sunny days | 13 | 5 | 1 | 5 | 5 | 2 | 2 | 3 | 2 | 0 | 4 | 7 |
| Rainy days | 18 | 23 | 30 | 25 | 26 | 28 | 29 | 28 | 28 | 31 | 26 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grandou is at