Average annual temperature is 26.2 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of Williamson
* Weather data for Williamson 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) | 30.0 | 29.9 | 29.7 | 30.8 | 32.2 | 33.3 | 35.4 | 33.5 | 32.1 | 31.1 | 31.0 | 31.3 |
| Average daytime temperature (°C) | 27.5 | 28.6 | 28.4 | 28.8 | 30.5 | 31.6 | 32.7 | 31.6 | 31.1 | 30.1 | 29.3 | 28.3 |
| Average temperature (°C) | 23.8 | 24.4 | 24.6 | 25.1 | 26.9 | 28.1 | 28.4 | 27.9 | 27.5 | 26.8 | 25.9 | 24.7 |
| Average night temperature (°C) | 20.2 | 20.3 | 20.9 | 21.7 | 23.8 | 24.7 | 24.5 | 24.6 | 24.4 | 23.9 | 22.6 | 21.4 |
| Absolute minimum temperature (°C) | 17.0 | 18.7 | 18.9 | 19.5 | 22.5 | 23.5 | 23.3 | 23.6 | 23.7 | 21.3 | 20.8 | 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) | 11.1 | 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 | 10.6 | 11.2 | 11.7 | 11.5 | 11.1 | 11.3 | 11.1 | 11.1 | 10.3 | 9.7 | 9.9 |
| Precipitation (mm) | 50 | 18 | 62 | 99 | 194 | 93 | 147 | 155 | 156 | 166 | 133 | 74 |
| Sunny days | 14 | 12 | 8 | 2 | 2 | 5 | 5 | 0 | 1 | 0 | 1 | 6 |
| Rainy days | 17 | 16 | 23 | 28 | 29 | 25 | 26 | 31 | 29 | 31 | 29 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Williamson is at