Average annual temperature is 24.9 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 13.7 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Illili
* Weather data for Illili Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.1 | 35.9 | 37.1 | 37.7 | 35.4 | 34.1 | 31.5 | 31.4 | 31.7 | 32.9 | 33.5 | 33.3 |
| Average daytime temperature (°C) | 31.8 | 34.4 | 35.0 | 36.0 | 32.6 | 29.8 | 28.5 | 28.0 | 28.8 | 29.5 | 31.9 | 31.6 |
| Average temperature (°C) | 23.9 | 26.6 | 27.2 | 28.1 | 26.2 | 24.2 | 23.2 | 23.0 | 23.3 | 23.9 | 24.9 | 23.8 |
| Average night temperature (°C) | 17.0 | 19.3 | 20.2 | 21.3 | 21.8 | 20.9 | 20.1 | 20.0 | 19.9 | 19.8 | 18.8 | 16.6 |
| Absolute minimum temperature (°C) | 15.2 | 17.3 | 17.8 | 20.0 | 20.7 | 19.8 | 19.0 | 18.7 | 18.8 | 19.0 | 15.7 | 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 10.3 | 10.3 | 10.4 | 9.1 | 9.1 | 8.7 | 8.0 | 8.8 | 9.5 | 10.5 | 10.5 |
| Precipitation (mm) | 0 | 0 | 5 | 4 | 143 | 215 | 338 | 406 | 351 | 141 | 4 | 0 |
| Sunny days | 31 | 27 | 25 | 26 | 9 | 1 | 0 | 0 | 0 | 4 | 18 | 31 |
| Rainy days | 0 | 1 | 6 | 4 | 22 | 29 | 31 | 31 | 30 | 27 | 12 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Illili is at