Average annual temperature is 25.5 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 13.5 °C
Number of sunny days: 117 days
Number of rainy days: 248 days
Look at detailed online map of Dumas
* Weather data for Dumas 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) | 30.8 | 31.2 | 32.4 | 32.8 | 34.0 | 34.8 | 36.5 | 35.6 | 34.7 | 34.3 | 31.9 | 31.4 |
| Average daytime temperature (°C) | 28.9 | 30.3 | 30.6 | 30.3 | 32.1 | 32.8 | 34.0 | 32.8 | 33.1 | 32.2 | 30.4 | 29.4 |
| Average temperature (°C) | 22.7 | 23.9 | 24.2 | 24.4 | 25.8 | 27.0 | 28.1 | 27.2 | 27.1 | 26.5 | 25.4 | 24.1 |
| Average night temperature (°C) | 17.6 | 18.2 | 18.9 | 19.6 | 21.3 | 22.6 | 23.6 | 23.1 | 22.7 | 22.4 | 21.5 | 19.9 |
| Absolute minimum temperature (°C) | 13.5 | 15.3 | 16.0 | 16.9 | 19.6 | 20.7 | 21.4 | 21.6 | 21.2 | 19.5 | 18.6 | 17.1 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.8 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.7 | 11.2 | 11.5 | 11.2 | 11.0 | 11.2 | 10.7 | 10.9 | 10.3 | 9.9 | 10.0 |
| Precipitation (mm) | 17 | 2 | 13 | 92 | 134 | 81 | 73 | 108 | 69 | 107 | 49 | 38 |
| Sunny days | 18 | 23 | 13 | 3 | 1 | 8 | 8 | 4 | 4 | 2 | 15 | 18 |
| Rainy days | 13 | 5 | 18 | 27 | 30 | 22 | 23 | 27 | 26 | 29 | 15 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dumas is at