Average annual temperature is 29.2 °C
Absolute maximum temperature: 42.8 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 252 days
Number of rainy days: 113 days
Look at detailed online map of Koulou
* Weather data for Koulou 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) | 37.6 | 39.8 | 41.7 | 42.4 | 42.8 | 39.6 | 37.3 | 33.5 | 38.0 | 39.1 | 38.2 | 37.9 |
| Average daytime temperature (°C) | 33.4 | 36.3 | 39.5 | 40.6 | 39.6 | 35.7 | 33.7 | 30.8 | 33.0 | 36.0 | 37.0 | 33.7 |
| Average temperature (°C) | 25.0 | 28.0 | 32.0 | 33.9 | 33.7 | 30.6 | 28.8 | 26.6 | 28.1 | 29.4 | 29.5 | 25.2 |
| Average night temperature (°C) | 17.4 | 20.2 | 24.2 | 27.2 | 28.1 | 26.1 | 25.0 | 23.6 | 24.3 | 23.5 | 22.2 | 17.4 |
| Absolute minimum temperature (°C) | 13.8 | 18.4 | 19.5 | 22.1 | 23.9 | 23.5 | 23.5 | 21.9 | 23.0 | 20.4 | 19.3 | 14.5 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 10.1 | 10.2 | 9.7 | 10.1 | 10.0 | 10.0 | 9.9 | 8.1 | 9.1 | 10.1 | 10.6 | 10.4 |
| Precipitation (mm) | 0 | 0 | 9 | 5 | 25 | 84 | 77 | 276 | 105 | 14 | 0 | 0 |
| Sunny days | 31 | 28 | 29 | 27 | 23 | 12 | 9 | 3 | 9 | 23 | 27 | 31 |
| Rainy days | 0 | 0 | 2 | 3 | 8 | 18 | 22 | 28 | 21 | 8 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulou is at