Average annual temperature is 27.7 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of Mercery
* Weather data for Mercery 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) | 31.1 | 31.3 | 32.1 | 33.5 | 33.6 | 35.3 | 36.3 | 35.3 | 36.5 | 33.9 | 34.3 | 33.3 |
| Average daytime temperature (°C) | 29.2 | 29.8 | 29.7 | 30.1 | 32.3 | 33.6 | 33.9 | 33.5 | 33.6 | 32.3 | 31.9 | 30.4 |
| Average temperature (°C) | 25.1 | 25.7 | 25.8 | 26.4 | 28.3 | 29.6 | 29.7 | 29.5 | 29.4 | 28.5 | 27.6 | 26.6 |
| Average night temperature (°C) | 21.7 | 22.2 | 22.1 | 22.9 | 24.9 | 25.9 | 25.8 | 25.9 | 25.8 | 25.3 | 24.1 | 23.4 |
| Absolute minimum temperature (°C) | 19.3 | 20.8 | 21.1 | 21.3 | 23.9 | 25.2 | 24.2 | 24.3 | 25.0 | 24.3 | 22.0 | 20.9 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 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 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 11.2 | 11.7 | 11.5 | 10.9 | 11.4 | 11.1 | 11.1 | 10.3 | 9.8 | 9.9 |
| Precipitation (mm) | 16 | 11 | 19 | 51 | 78 | 43 | 22 | 62 | 67 | 99 | 47 | 17 |
| Sunny days | 18 | 15 | 14 | 2 | 6 | 12 | 19 | 8 | 5 | 7 | 12 | 18 |
| Rainy days | 13 | 13 | 17 | 28 | 25 | 18 | 12 | 23 | 25 | 24 | 18 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mercery is at