Average annual temperature is 26.0 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 45 days
Number of rainy days: 320 days
Look at detailed online map of Grand Duc
* Weather data for Grand Duc 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) | 29.7 | 29.7 | 29.8 | 31.0 | 31.6 | 32.2 | 34.4 | 34.7 | 34.1 | 33.2 | 32.5 | 31.8 |
| Average daytime temperature (°C) | 28.1 | 28.3 | 28.0 | 29.0 | 30.0 | 30.0 | 32.3 | 32.3 | 32.2 | 30.9 | 30.0 | 29.2 |
| Average temperature (°C) | 23.8 | 24.0 | 24.3 | 25.1 | 26.7 | 27.3 | 27.7 | 27.8 | 27.7 | 26.8 | 25.6 | 24.6 |
| Average night temperature (°C) | 20.5 | 20.5 | 21.0 | 21.6 | 23.6 | 24.7 | 23.8 | 24.1 | 23.9 | 23.7 | 22.1 | 21.2 |
| Absolute minimum temperature (°C) | 18.3 | 19.5 | 19.3 | 19.3 | 22.4 | 23.2 | 22.0 | 23.2 | 22.7 | 22.2 | 20.2 | 19.5 |
| 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 | 10.8 | 11.5 | 11.3 | 10.2 | 11.0 | 11.2 | 11.0 | 9.9 | 9.4 | 9.4 |
| Precipitation (mm) | 36 | 49 | 56 | 81 | 95 | 121 | 84 | 111 | 92 | 129 | 180 | 79 |
| Sunny days | 11 | 2 | 2 | 1 | 6 | 4 | 3 | 4 | 3 | 0 | 4 | 5 |
| Rainy days | 20 | 26 | 29 | 29 | 25 | 26 | 28 | 27 | 27 | 31 | 26 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grand Duc is at