Average annual temperature is 29.5 °C
Absolute maximum temperature: 43.6 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 293 days
Number of rainy days: 72 days
Look at detailed online map of Issouri
* Weather data for Issouri 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) | 37.8 | 39.0 | 41.3 | 43.6 | 43.5 | 40.8 | 38.8 | 37.1 | 39.5 | 40.5 | 38.9 | 36.4 |
| Average daytime temperature (°C) | 31.4 | 33.1 | 37.9 | 40.4 | 41.2 | 35.9 | 36.0 | 33.1 | 35.5 | 37.9 | 36.2 | 31.4 |
| Average temperature (°C) | 23.5 | 25.3 | 30.8 | 33.6 | 35.2 | 30.9 | 30.9 | 28.5 | 30.1 | 31.6 | 29.7 | 23.8 |
| Average night temperature (°C) | 16.5 | 18.4 | 24.2 | 27.1 | 29.1 | 26.7 | 26.8 | 25.0 | 25.6 | 25.7 | 23.6 | 17.3 |
| Absolute minimum temperature (°C) | 13.6 | 14.8 | 19.4 | 23.5 | 26.0 | 24.2 | 24.6 | 22.9 | 23.7 | 22.6 | 18.8 | 13.7 |
| 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) | 10.3 | 10.8 | 10.2 | 10.2 | 10.9 | 9.6 | 9.9 | 9.2 | 9.7 | 10.1 | 9.8 | 10.0 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 43 | 39 | 123 | 52 | 1 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 30 | 13 | 16 | 10 | 17 | 28 | 29 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 1 | 17 | 15 | 21 | 13 | 3 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Issouri is at