Average annual temperature is 30.5 °C
Absolute maximum temperature: 45.0 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 303 days
Number of rainy days: 62 days
Look at detailed online map of Ongoulou
* Weather data for Ongoulou 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) | 37.0 | 38.8 | 40.7 | 43.0 | 45.0 | 42.6 | 41.0 | 37.4 | 42.1 | 40.4 | 39.1 | 37.9 |
| Average daytime temperature (°C) | 31.7 | 35.2 | 39.0 | 40.2 | 41.6 | 39.1 | 36.7 | 34.1 | 36.8 | 38.9 | 37.2 | 32.1 |
| Average temperature (°C) | 24.2 | 27.6 | 31.7 | 33.5 | 35.7 | 33.6 | 31.7 | 29.2 | 31.2 | 32.6 | 30.0 | 24.5 |
| Average night temperature (°C) | 17.3 | 20.5 | 24.2 | 26.2 | 29.2 | 28.3 | 26.7 | 24.9 | 25.9 | 25.4 | 22.6 | 17.9 |
| Absolute minimum temperature (°C) | 14.1 | 17.6 | 21.2 | 22.2 | 25.8 | 24.6 | 24.4 | 23.5 | 23.5 | 22.2 | 19.9 | 13.8 |
| 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) | 10.1 | 10.2 | 9.9 | 10.5 | 10.4 | 10.2 | 9.9 | 9.6 | 10.5 | 10.5 | 10.4 | 10.1 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 0 | 8 | 28 | 90 | 37 | 2 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 29 | 22 | 18 | 8 | 16 | 30 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 2 | 8 | 13 | 23 | 14 | 1 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ongoulou is at