Average annual temperature is 26.6 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 104 days
Number of rainy days: 261 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) | 30.9 | 32.5 | 33.3 | 35.2 | 34.0 | 36.7 | 37.8 | 37.8 | 35.6 | 35.0 | 34.7 | 33.6 |
| Average daytime temperature (°C) | 28.7 | 30.9 | 31.1 | 31.4 | 31.9 | 33.9 | 35.7 | 34.8 | 33.5 | 32.6 | 32.0 | 29.7 |
| Average temperature (°C) | 23.1 | 24.4 | 25.0 | 25.6 | 26.7 | 28.5 | 29.4 | 28.9 | 28.0 | 27.4 | 26.7 | 24.8 |
| Average night temperature (°C) | 18.6 | 19.1 | 19.8 | 21.1 | 22.8 | 24.3 | 24.7 | 24.7 | 24.1 | 23.7 | 22.5 | 21.0 |
| Absolute minimum temperature (°C) | 14.2 | 17.5 | 17.3 | 18.8 | 21.0 | 21.5 | 22.5 | 22.4 | 22.9 | 21.2 | 20.5 | 18.0 |
| 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 | 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) | 9.8 | 10.5 | 10.8 | 11.5 | 10.3 | 10.6 | 11.2 | 10.4 | 10.3 | 10.4 | 9.8 | 9.0 |
| Precipitation (mm) | 62 | 7 | 49 | 99 | 169 | 61 | 66 | 98 | 116 | 143 | 31 | 192 |
| Sunny days | 13 | 18 | 21 | 4 | 2 | 3 | 12 | 4 | 1 | 2 | 12 | 12 |
| Rainy days | 18 | 10 | 10 | 26 | 29 | 27 | 19 | 27 | 29 | 29 | 18 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dumas is at