Average annual temperature is 26.0 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 60 days
Number of rainy days: 305 days
Look at detailed online map of Grison
* Weather data for Grison 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) | 30.0 | 31.2 | 33.7 | 33.1 | 33.2 | 34.4 | 35.8 | 35.6 | 34.7 | 35.3 | 34.4 | 32.3 |
| Average daytime temperature (°C) | 27.7 | 29.7 | 30.4 | 30.3 | 31.2 | 32.8 | 33.8 | 33.5 | 32.9 | 32.0 | 31.1 | 29.2 |
| Average temperature (°C) | 22.8 | 23.7 | 24.6 | 24.9 | 26.4 | 27.8 | 28.1 | 28.0 | 27.5 | 27.1 | 26.2 | 24.4 |
| Average night temperature (°C) | 19.0 | 19.2 | 20.0 | 21.2 | 23.2 | 24.2 | 23.9 | 24.4 | 24.1 | 24.0 | 22.7 | 21.1 |
| Absolute minimum temperature (°C) | 16.1 | 17.6 | 17.8 | 18.2 | 21.9 | 23.0 | 22.4 | 23.0 | 23.1 | 21.2 | 20.0 | 19.0 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 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) | 9.9 | 10.6 | 10.8 | 11.5 | 10.5 | 10.5 | 11.1 | 10.3 | 10.3 | 10.1 | 9.7 | 9.0 |
| Precipitation (mm) | 66 | 19 | 53 | 185 | 254 | 157 | 71 | 155 | 123 | 199 | 47 | 160 |
| Sunny days | 10 | 10 | 13 | 3 | 0 | 0 | 8 | 1 | 0 | 0 | 6 | 9 |
| Rainy days | 21 | 18 | 18 | 27 | 31 | 30 | 23 | 30 | 30 | 31 | 24 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Grison is at