Average annual temperature is 21.6 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Nan Roseau
* Weather data for Nan Roseau 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) | 25.6 | 26.0 | 24.9 | 24.9 | 27.5 | 30.7 | 31.0 | 28.9 | 27.8 | 27.1 | 26.8 | 26.8 |
| Average daytime temperature (°C) | 23.2 | 23.7 | 23.6 | 23.7 | 25.4 | 27.1 | 28.0 | 27.1 | 26.5 | 25.6 | 25.2 | 24.1 |
| Average temperature (°C) | 19.3 | 19.5 | 19.7 | 20.5 | 22.1 | 23.3 | 23.6 | 23.4 | 23.1 | 22.5 | 21.5 | 20.6 |
| Average night temperature (°C) | 16.0 | 15.7 | 16.3 | 17.5 | 19.2 | 19.9 | 19.9 | 20.4 | 20.1 | 20.1 | 18.6 | 17.9 |
| Absolute minimum temperature (°C) | 14.5 | 14.1 | 14.4 | 15.4 | 17.2 | 17.9 | 18.5 | 18.9 | 18.8 | 18.4 | 16.3 | 16.7 |
| 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) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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 | 10.7 | 11.0 | 11.2 | 11.2 | 10.9 | 11.4 | 11.0 | 10.7 | 10.5 | 10.0 | 10.0 |
| Precipitation (mm) | 125 | 70 | 87 | 183 | 161 | 141 | 131 | 405 | 142 | 253 | 173 | 75 |
| Sunny days | 7 | 4 | 6 | 0 | 2 | 1 | 3 | 3 | 1 | 2 | 4 | 7 |
| Rainy days | 24 | 24 | 25 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 26 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nan Roseau is at