Average annual temperature is 28.0 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 281 days
Number of rainy days: 84 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) | 35.7 | 38.0 | 40.4 | 41.2 | 41.5 | 39.0 | 37.2 | 34.8 | 36.2 | 38.2 | 37.5 | 34.9 |
| Average daytime temperature (°C) | 30.1 | 32.4 | 36.8 | 38.9 | 39.7 | 34.9 | 34.2 | 31.4 | 33.4 | 35.3 | 35.1 | 30.6 |
| Average temperature (°C) | 22.4 | 24.7 | 29.5 | 32.1 | 33.7 | 29.7 | 29.1 | 26.9 | 28.0 | 28.7 | 28.1 | 23.1 |
| Average night temperature (°C) | 15.5 | 17.8 | 22.4 | 25.5 | 27.4 | 24.9 | 24.7 | 23.3 | 23.6 | 22.7 | 21.7 | 16.5 |
| Absolute minimum temperature (°C) | 13.1 | 15.4 | 18.8 | 22.2 | 24.4 | 22.9 | 22.9 | 21.4 | 21.1 | 19.5 | 17.0 | 12.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 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 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 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) | 10.6 | 10.8 | 10.1 | 10.0 | 10.9 | 9.9 | 9.8 | 9.2 | 10.1 | 9.9 | 10.0 | 10.4 |
| Precipitation (mm) | 0 | 0 | 1 | 0 | 0 | 68 | 57 | 108 | 45 | 31 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 30 | 16 | 13 | 5 | 11 | 28 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 1 | 14 | 18 | 26 | 19 | 3 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulou is at