Average annual temperature is 21.3 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: 12.2 °C
Number of sunny days: 60 days
Number of rainy days: 305 days
Look at detailed online map of Décan
* Weather data for Décan 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) | 25.2 | 25.5 | 25.8 | 26.1 | 29.1 | 29.2 | 31.0 | 30.2 | 29.6 | 28.3 | 27.3 | 26.0 |
| Average daytime temperature (°C) | 23.5 | 24.3 | 24.0 | 24.2 | 26.0 | 26.1 | 28.6 | 28.3 | 27.7 | 25.9 | 25.0 | 24.1 |
| Average temperature (°C) | 18.8 | 19.3 | 19.4 | 20.0 | 21.7 | 22.3 | 23.7 | 23.5 | 23.1 | 22.1 | 21.0 | 20.0 |
| Average night temperature (°C) | 15.0 | 15.0 | 15.4 | 16.4 | 18.4 | 19.2 | 19.8 | 20.0 | 19.6 | 19.2 | 17.9 | 16.7 |
| Absolute minimum temperature (°C) | 12.2 | 13.7 | 13.8 | 14.9 | 17.1 | 18.2 | 18.6 | 19.0 | 18.7 | 16.9 | 16.1 | 15.3 |
| 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 | 10.5 | 10.7 | 11.4 | 11.0 | 10.7 | 11.3 | 10.9 | 10.9 | 9.9 | 9.3 | 9.5 |
| Precipitation (mm) | 27 | 32 | 64 | 115 | 106 | 84 | 61 | 73 | 102 | 105 | 98 | 54 |
| Sunny days | 12 | 8 | 3 | 1 | 7 | 4 | 6 | 4 | 1 | 0 | 6 | 8 |
| Rainy days | 19 | 20 | 28 | 29 | 24 | 26 | 25 | 27 | 29 | 31 | 24 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Décan is at