Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Masson
* Weather data for Masson 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) | 34.3 | 35.1 | 36.5 | 35.9 | 36.7 | 38.2 | 40.5 | 39.5 | 38.5 | 37.1 | 36.8 | 35.6 |
| Average daytime temperature (°C) | 31.8 | 33.2 | 33.4 | 33.1 | 33.6 | 35.4 | 37.8 | 36.6 | 36.3 | 34.1 | 34.1 | 32.8 |
| Average temperature (°C) | 25.4 | 26.5 | 27.0 | 27.1 | 28.2 | 29.8 | 31.2 | 30.4 | 30.0 | 28.6 | 28.2 | 27.1 |
| Average night temperature (°C) | 20.2 | 21.0 | 21.7 | 22.3 | 24.1 | 25.4 | 26.2 | 25.9 | 25.4 | 24.7 | 23.6 | 22.5 |
| Absolute minimum temperature (°C) | 16.4 | 19.5 | 18.4 | 19.8 | 22.7 | 23.8 | 24.2 | 24.6 | 24.2 | 22.7 | 21.5 | 19.8 |
| 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 | 11.6 | 11.2 | 11.1 | 11.1 | 10.7 | 10.7 | 10.2 | 9.6 | 9.8 |
| Precipitation (mm) | 38 | 3 | 14 | 66 | 169 | 64 | 28 | 81 | 75 | 124 | 36 | 25 |
| Sunny days | 18 | 21 | 18 | 6 | 3 | 4 | 8 | 3 | 1 | 1 | 12 | 18 |
| Rainy days | 13 | 7 | 13 | 24 | 28 | 26 | 23 | 28 | 29 | 30 | 18 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Masson is at