Average annual temperature is 27.7 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 11.2 °C
Number of sunny days: 292 days
Number of rainy days: 73 days
Look at detailed online map of Issourou
* Weather data for Issourou 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) | 35.8 | 37.6 | 39.9 | 41.2 | 40.8 | 39.1 | 36.3 | 33.2 | 35.8 | 37.6 | 36.7 | 34.9 |
| Average daytime temperature (°C) | 30.2 | 32.6 | 36.7 | 38.8 | 39.1 | 35.4 | 32.6 | 30.8 | 32.8 | 35.9 | 34.9 | 30.3 |
| Average temperature (°C) | 22.1 | 24.5 | 29.2 | 31.8 | 33.1 | 29.9 | 28.1 | 26.5 | 27.8 | 28.9 | 27.6 | 22.2 |
| Average night temperature (°C) | 14.4 | 17.0 | 21.7 | 24.7 | 26.6 | 25.1 | 24.1 | 23.2 | 23.5 | 22.1 | 20.6 | 14.6 |
| Absolute minimum temperature (°C) | 11.7 | 14.8 | 19.1 | 20.7 | 22.8 | 22.1 | 22.5 | 22.0 | 21.8 | 17.8 | 16.6 | 11.2 |
| 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) | 10.5 | 10.6 | 9.9 | 10.4 | 10.6 | 10.1 | 10.1 | 9.1 | 10.4 | 10.6 | 10.1 | 10.5 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 56 | 60 | 113 | 62 | 6 | 1 | 0 |
| Sunny days | 31 | 28 | 30 | 29 | 29 | 18 | 16 | 10 | 13 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 1 | 2 | 12 | 15 | 21 | 17 | 2 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Issourou is at