Average annual temperature is 29.0 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: 15.0 °C
Number of sunny days: 253 days
Number of rainy days: 112 days
Look at detailed online map of Illo
* Weather data for Illo Nigeria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.9 | 40.3 | 42.0 | 41.8 | 41.8 | 37.7 | 35.1 | 32.9 | 35.4 | 36.3 | 37.2 | 37.5 |
| Average daytime temperature (°C) | 34.1 | 36.8 | 39.4 | 40.0 | 38.8 | 34.1 | 32.6 | 30.3 | 32.0 | 34.2 | 36.1 | 34.1 |
| Average temperature (°C) | 25.6 | 28.6 | 32.4 | 33.6 | 33.2 | 29.5 | 28.2 | 26.5 | 27.6 | 28.6 | 29.1 | 25.7 |
| Average night temperature (°C) | 18.0 | 20.8 | 25.4 | 27.6 | 28.1 | 25.6 | 24.7 | 23.7 | 24.0 | 23.8 | 22.5 | 17.9 |
| Absolute minimum temperature (°C) | 15.0 | 18.7 | 21.1 | 24.3 | 24.9 | 23.7 | 23.5 | 22.1 | 22.5 | 20.8 | 20.2 | 15.0 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 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) | 10.0 | 10.1 | 9.6 | 9.9 | 9.7 | 10.1 | 9.5 | 8.3 | 9.3 | 10.2 | 10.7 | 10.5 |
| Precipitation (mm) | 0 | 0 | 1 | 9 | 41 | 73 | 112 | 224 | 112 | 18 | 7 | 0 |
| Sunny days | 31 | 28 | 29 | 25 | 21 | 9 | 9 | 7 | 10 | 26 | 27 | 31 |
| Rainy days | 0 | 0 | 2 | 5 | 10 | 21 | 22 | 24 | 20 | 5 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Illo is at