Average annual temperature is 26.5 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 12.8 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Biassou
* Weather data for Biassou 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) | 31.9 | 32.5 | 34.4 | 35.8 | 37.2 | 36.5 | 38.9 | 37.7 | 35.5 | 35.5 | 34.0 | 33.7 |
| Average daytime temperature (°C) | 29.8 | 31.4 | 32.1 | 31.4 | 33.0 | 34.1 | 35.9 | 34.1 | 33.7 | 33.3 | 32.3 | 30.7 |
| Average temperature (°C) | 23.2 | 24.4 | 25.4 | 25.2 | 26.8 | 28.4 | 29.5 | 28.2 | 27.6 | 27.3 | 26.6 | 25.0 |
| Average night temperature (°C) | 17.6 | 18.2 | 19.6 | 20.7 | 22.7 | 24.2 | 24.4 | 23.9 | 23.6 | 23.3 | 22.3 | 20.6 |
| Absolute minimum temperature (°C) | 12.8 | 15.8 | 16.5 | 18.1 | 20.8 | 22.6 | 22.6 | 22.5 | 22.4 | 20.8 | 19.0 | 17.0 |
| 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 | 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) | 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 | 11.0 | 11.2 | 10.8 | 10.6 | 10.9 | 10.4 | 10.6 | 10.1 | 9.9 | 9.8 |
| Precipitation (mm) | 17 | 4 | 31 | 143 | 181 | 56 | 49 | 120 | 80 | 102 | 34 | 59 |
| Sunny days | 19 | 22 | 20 | 4 | 1 | 4 | 8 | 5 | 4 | 2 | 12 | 19 |
| Rainy days | 12 | 6 | 11 | 26 | 30 | 26 | 23 | 26 | 26 | 29 | 18 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biassou is at