Average annual temperature is 28.7 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 12.4 °C
Number of sunny days: 301 days
Number of rainy days: 64 days
Look at detailed online map of Groumbouni
* Weather data for Groumbouni 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 | 37.7 | 39.7 | 42.3 | 42.3 | 41.2 | 38.3 | 39.0 | 40.2 | 38.1 | 36.6 | 34.1 |
| Average daytime temperature (°C) | 28.9 | 31.0 | 36.1 | 38.9 | 40.6 | 37.0 | 36.1 | 34.1 | 36.6 | 35.9 | 34.3 | 28.8 |
| Average temperature (°C) | 22.1 | 24.2 | 29.7 | 32.5 | 34.4 | 31.3 | 30.8 | 28.9 | 30.2 | 30.2 | 28.1 | 22.2 |
| Average night temperature (°C) | 16.2 | 18.2 | 23.7 | 26.4 | 28.0 | 26.0 | 26.0 | 24.5 | 24.9 | 25.1 | 22.9 | 16.5 |
| Absolute minimum temperature (°C) | 12.4 | 14.2 | 21.2 | 21.9 | 24.7 | 22.8 | 24.0 | 22.2 | 22.8 | 21.7 | 18.9 | 13.2 |
| 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 | 12.5 | 12.8 | 13.0 | 12.9 | 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) | 10.6 | 10.8 | 10.0 | 10.6 | 10.9 | 10.3 | 10.1 | 9.9 | 10.3 | 9.7 | 9.7 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 26 | 24 | 72 | 18 | 16 | 2 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 30 | 19 | 18 | 12 | 14 | 30 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 1 | 11 | 13 | 19 | 16 | 1 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Groumbouni is at