Average annual temperature is 25.6 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 72 days
Number of rainy days: 293 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) | 28.9 | 30.0 | 30.4 | 30.3 | 32.2 | 32.5 | 33.7 | 33.5 | 33.0 | 32.4 | 31.6 | 30.4 |
| Average daytime temperature (°C) | 27.5 | 28.6 | 28.8 | 28.8 | 30.3 | 30.7 | 32.2 | 32.0 | 31.7 | 30.5 | 29.5 | 27.8 |
| Average temperature (°C) | 22.8 | 23.6 | 24.0 | 24.3 | 25.9 | 26.8 | 27.9 | 27.8 | 27.6 | 26.7 | 25.7 | 24.4 |
| Average night temperature (°C) | 19.3 | 19.4 | 20.2 | 20.6 | 22.6 | 23.7 | 24.6 | 24.6 | 24.5 | 24.0 | 22.7 | 21.8 |
| Absolute minimum temperature (°C) | 17.2 | 18.0 | 18.1 | 19.1 | 21.9 | 22.2 | 23.2 | 23.6 | 23.3 | 22.4 | 21.1 | 20.1 |
| 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) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 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 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 11.2 | 11.7 | 11.5 | 10.9 | 11.4 | 11.5 | 11.1 | 10.3 | 9.8 | 9.5 |
| Precipitation (mm) | 52 | 13 | 31 | 68 | 102 | 58 | 40 | 101 | 80 | 74 | 72 | 90 |
| Sunny days | 14 | 6 | 8 | 2 | 3 | 8 | 10 | 4 | 1 | 1 | 6 | 9 |
| Rainy days | 17 | 22 | 23 | 28 | 28 | 22 | 21 | 27 | 29 | 30 | 24 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dumas is at