Average annual temperature is 24.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: 13.0 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Grand Jean
* Weather data for Grand Jean 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) | 27.8 | 28.9 | 30.7 | 31.5 | 31.7 | 33.1 | 32.7 | 33.2 | 32.9 | 32.7 | 31.6 | 30.4 |
| Average daytime temperature (°C) | 25.7 | 27.5 | 28.1 | 28.7 | 29.7 | 31.1 | 31.6 | 31.4 | 31.0 | 30.3 | 29.1 | 27.2 |
| Average temperature (°C) | 20.8 | 21.7 | 22.5 | 23.0 | 24.5 | 25.9 | 26.2 | 26.0 | 25.6 | 25.2 | 24.2 | 22.5 |
| Average night temperature (°C) | 16.9 | 17.1 | 18.0 | 19.1 | 21.2 | 22.3 | 22.1 | 22.3 | 22.0 | 21.9 | 20.4 | 18.9 |
| Absolute minimum temperature (°C) | 13.0 | 15.7 | 16.1 | 16.5 | 20.0 | 21.2 | 20.6 | 21.1 | 21.3 | 19.5 | 18.4 | 16.8 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.5 | 10.8 | 11.5 | 10.5 | 10.7 | 11.1 | 10.3 | 10.3 | 10.2 | 9.6 | 9.1 |
| Precipitation (mm) | 83 | 16 | 43 | 148 | 237 | 128 | 79 | 161 | 119 | 195 | 70 | 175 |
| Sunny days | 8 | 13 | 18 | 3 | 1 | 2 | 8 | 2 | 0 | 0 | 5 | 9 |
| Rainy days | 23 | 15 | 13 | 27 | 30 | 28 | 23 | 29 | 30 | 31 | 25 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grand Jean is at