Average annual temperature is 26.5 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 179 days
Number of rainy days: 186 days
Look at detailed online map of Illa
* Weather data for Illa 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) | 35.0 | 36.3 | 37.4 | 36.8 | 34.6 | 32.4 | 32.3 | 31.4 | 33.0 | 33.6 | 33.9 | 35.2 |
| Average daytime temperature (°C) | 33.2 | 34.6 | 34.7 | 33.8 | 33.0 | 29.9 | 30.2 | 29.5 | 29.7 | 31.5 | 32.5 | 33.6 |
| Average temperature (°C) | 26.5 | 27.8 | 28.1 | 27.9 | 27.5 | 25.1 | 25.1 | 24.8 | 25.1 | 26.3 | 26.8 | 27.1 |
| Average night temperature (°C) | 19.9 | 21.2 | 23.4 | 23.6 | 23.5 | 22.2 | 22.1 | 21.8 | 21.9 | 22.4 | 22.2 | 20.7 |
| Absolute minimum temperature (°C) | 17.2 | 18.0 | 22.1 | 22.1 | 21.8 | 21.1 | 20.6 | 20.8 | 20.7 | 21.7 | 20.8 | 17.5 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.8 | 11.7 |
| 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) | 10.4 | 10.3 | 8.9 | 8.4 | 9.6 | 7.9 | 8.8 | 7.7 | 7.8 | 9.5 | 9.5 | 10.8 |
| Precipitation (mm) | 4 | 0 | 40 | 16 | 81 | 159 | 163 | 176 | 162 | 65 | 36 | 0 |
| Sunny days | 29 | 28 | 21 | 19 | 9 | 1 | 1 | 1 | 5 | 12 | 22 | 31 |
| Rainy days | 2 | 0 | 10 | 11 | 22 | 29 | 30 | 30 | 25 | 19 | 8 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Illa is at