Average annual temperature is 28.4 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 11.3 °C
Number of sunny days: 305 days
Number of rainy days: 60 days
Look at detailed online map of Ganassou
* Weather data for Ganassou Niger is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.0 | 37.9 | 40.2 | 42.3 | 42.2 | 40.8 | 38.2 | 38.4 | 39.5 | 38.3 | 37.0 | 34.7 |
| Average daytime temperature (°C) | 29.3 | 31.3 | 36.4 | 39.1 | 40.6 | 36.6 | 36.1 | 34.0 | 36.2 | 36.2 | 34.8 | 29.5 |
| Average temperature (°C) | 21.5 | 23.7 | 28.8 | 31.9 | 34.0 | 31.1 | 30.9 | 28.9 | 30.0 | 29.7 | 27.8 | 21.9 |
| Average night temperature (°C) | 14.6 | 17.1 | 21.6 | 24.7 | 27.2 | 26.0 | 26.2 | 24.6 | 24.8 | 23.9 | 21.8 | 15.4 |
| Absolute minimum temperature (°C) | 11.3 | 14.3 | 17.4 | 19.5 | 23.0 | 22.6 | 24.0 | 21.9 | 21.9 | 19.4 | 16.3 | 12.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 12.9 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.9 | 9.8 | 10.6 | 10.9 | 10.1 | 10.0 | 9.7 | 10.2 | 9.8 | 9.7 | 10.3 |
| Precipitation (mm) | 0 | 0 | 2 | 0 | 0 | 14 | 35 | 68 | 15 | 14 | 1 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 31 | 19 | 21 | 12 | 15 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 0 | 11 | 10 | 19 | 15 | 2 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ganassou is at