Average annual temperature is 27.9 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 11.6 °C
Number of sunny days: 299 days
Number of rainy days: 66 days
Look at detailed online map of Koussou
* Weather data for Koussou 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) | 35.7 | 37.3 | 40.0 | 41.2 | 41.0 | 39.0 | 36.9 | 34.8 | 36.6 | 37.9 | 37.0 | 34.8 |
| Average daytime temperature (°C) | 29.9 | 32.2 | 36.4 | 38.8 | 39.6 | 35.2 | 33.9 | 31.5 | 33.3 | 36.0 | 34.9 | 30.2 |
| Average temperature (°C) | 22.1 | 24.4 | 29.0 | 32.0 | 33.5 | 30.1 | 29.0 | 27.1 | 28.1 | 29.4 | 27.9 | 22.5 |
| Average night temperature (°C) | 14.8 | 17.1 | 21.7 | 25.0 | 26.9 | 25.4 | 24.7 | 23.4 | 23.6 | 23.0 | 21.2 | 15.3 |
| Absolute minimum temperature (°C) | 12.1 | 14.6 | 17.8 | 20.4 | 22.4 | 22.8 | 22.8 | 21.6 | 22.1 | 19.5 | 15.5 | 11.6 |
| 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 | 12.4 | 12.8 | 12.9 | 12.8 | 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) | 10.6 | 10.8 | 10.0 | 10.3 | 10.8 | 10.3 | 10.0 | 9.4 | 10.3 | 10.1 | 9.9 | 10.5 |
| Precipitation (mm) | 0 | 0 | 1 | 0 | 0 | 30 | 33 | 144 | 46 | 21 | 3 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 29 | 21 | 16 | 10 | 16 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 2 | 9 | 15 | 21 | 14 | 2 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koussou is at