Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Roy
* Weather data for Roy 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) | 33.4 | 34.4 | 35.5 | 35.2 | 35.6 | 37.1 | 40.1 | 38.7 | 38.1 | 36.8 | 35.2 | 35.6 |
| Average daytime temperature (°C) | 31.0 | 32.3 | 32.9 | 32.3 | 33.0 | 34.8 | 37.3 | 36.2 | 36.3 | 33.6 | 33.2 | 32.1 |
| Average temperature (°C) | 24.4 | 25.4 | 26.1 | 26.1 | 27.4 | 28.9 | 30.4 | 29.6 | 29.5 | 28.0 | 27.4 | 26.2 |
| Average night temperature (°C) | 19.3 | 19.9 | 20.6 | 21.3 | 23.1 | 24.3 | 25.0 | 24.9 | 24.8 | 23.9 | 22.6 | 21.6 |
| Absolute minimum temperature (°C) | 16.2 | 18.8 | 17.7 | 19.1 | 21.3 | 22.9 | 23.1 | 23.6 | 23.5 | 22.2 | 21.1 | 19.7 |
| 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 | 13.3 | 13.2 | 12.8 | 12.2 | 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) | 10.1 | 10.6 | 11.1 | 11.4 | 11.0 | 10.9 | 11.1 | 10.6 | 10.6 | 10.2 | 9.6 | 9.8 |
| Precipitation (mm) | 21 | 4 | 12 | 91 | 170 | 73 | 36 | 72 | 51 | 145 | 35 | 26 |
| Sunny days | 19 | 23 | 18 | 4 | 0 | 8 | 10 | 2 | 1 | 1 | 12 | 22 |
| Rainy days | 12 | 5 | 13 | 26 | 31 | 22 | 21 | 29 | 29 | 30 | 18 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Roy is at