Average annual temperature is 23.4 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of Ilouo
* Weather data for Ilouo Republic of the Congo is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.0 | 32.8 | 32.7 | 31.5 | 31.5 | 29.7 | 30.7 | 31.3 | 31.4 | 31.3 | 31.0 | 31.0 |
| Average daytime temperature (°C) | 28.7 | 30.0 | 29.6 | 29.6 | 29.4 | 28.6 | 28.5 | 28.6 | 29.4 | 29.2 | 28.6 | 29.1 |
| Average temperature (°C) | 22.8 | 23.5 | 23.5 | 23.8 | 23.9 | 23.1 | 22.7 | 23.0 | 23.8 | 23.8 | 23.4 | 23.5 |
| Average night temperature (°C) | 19.4 | 19.7 | 20.1 | 20.4 | 20.5 | 19.2 | 17.8 | 18.7 | 20.1 | 20.7 | 20.4 | 20.4 |
| Absolute minimum temperature (°C) | 18.5 | 17.0 | 18.6 | 19.2 | 18.9 | 16.2 | 16.0 | 15.9 | 17.7 | 19.8 | 19.4 | 18.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.1 | 7.8 | 8.0 | 8.0 | 7.4 | 8.1 | 8.9 | 8.2 | 7.6 | 7.0 | 7.1 | 7.4 |
| Precipitation (mm) | 278 | 149 | 265 | 231 | 151 | 24 | 10 | 50 | 81 | 320 | 271 | 309 |
| Sunny days | 1 | 2 | 1 | 0 | 3 | 8 | 15 | 9 | 2 | 0 | 1 | 1 |
| Rainy days | 30 | 26 | 30 | 30 | 28 | 22 | 16 | 22 | 28 | 31 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilouo is at