Average annual temperature is 25.2 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 23 days
Number of rainy days: 342 days
Look at detailed online map of Ilongo
* Weather data for Ilongo Gabon is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.5 | 31.2 | 31.0 | 31.5 | 30.8 | 28.8 | 28.6 | 29.8 | 29.1 | 29.8 | 30.7 | 30.9 |
| Average daytime temperature (°C) | 28.9 | 29.6 | 29.6 | 29.5 | 29.2 | 26.9 | 26.8 | 27.2 | 27.7 | 28.0 | 28.1 | 28.7 |
| Average temperature (°C) | 25.1 | 25.8 | 26.0 | 25.8 | 26.2 | 24.4 | 23.4 | 24.0 | 25.0 | 25.4 | 25.2 | 25.5 |
| Average night temperature (°C) | 22.6 | 23.4 | 23.7 | 23.6 | 24.2 | 22.9 | 21.4 | 22.0 | 23.3 | 23.8 | 23.4 | 23.5 |
| Absolute minimum temperature (°C) | 21.6 | 22.6 | 22.7 | 22.5 | 23.2 | 20.6 | 20.2 | 19.6 | 22.3 | 23.0 | 22.4 | 22.4 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.8 | 7.9 | 8.0 | 7.3 | 8.9 | 9.6 | 8.4 | 7.7 | 7.8 | 6.2 | 5.7 | 6.9 |
| Precipitation (mm) | 392 | 215 | 281 | 340 | 244 | 21 | 10 | 22 | 82 | 441 | 734 | 543 |
| Sunny days | 0 | 0 | 2 | 1 | 0 | 4 | 9 | 7 | 0 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 29 | 29 | 31 | 26 | 22 | 24 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilongo is at