Average annual temperature is 29.9 °C
Absolute maximum temperature: 43.3 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 292 days
Number of rainy days: 73 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) | 37.7 | 39.7 | 41.6 | 42.8 | 43.3 | 40.9 | 37.1 | 36.8 | 39.8 | 40.3 | 39.1 | 38.3 |
| Average daytime temperature (°C) | 32.7 | 35.9 | 39.3 | 40.5 | 40.8 | 37.8 | 34.6 | 32.8 | 35.1 | 38.5 | 37.6 | 32.9 |
| Average temperature (°C) | 24.3 | 27.6 | 31.7 | 33.7 | 35.1 | 32.7 | 29.7 | 28.1 | 29.7 | 31.7 | 30.0 | 24.5 |
| Average night temperature (°C) | 16.9 | 20.1 | 23.8 | 26.2 | 28.9 | 27.7 | 25.3 | 24.4 | 25.0 | 24.3 | 21.8 | 16.8 |
| Absolute minimum temperature (°C) | 15.0 | 17.2 | 19.2 | 22.8 | 26.1 | 24.1 | 23.5 | 22.7 | 23.1 | 19.7 | 19.2 | 13.3 |
| 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 | 12.4 | 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) | 10.0 | 10.1 | 9.8 | 10.4 | 10.6 | 10.3 | 10.0 | 9.0 | 9.9 | 10.3 | 10.6 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 56 | 88 | 136 | 69 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 28 | 17 | 12 | 10 | 16 | 29 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 3 | 13 | 19 | 21 | 14 | 2 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulou is at