Average annual temperature is 23.4 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Ongongo
* Weather data for Ongongo 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) | 30.6 | 32.4 | 31.8 | 30.8 | 31.1 | 30.6 | 30.5 | 30.5 | 31.0 | 30.7 | 31.0 | 32.6 |
| Average daytime temperature (°C) | 28.5 | 30.0 | 28.5 | 29.1 | 29.1 | 28.6 | 28.9 | 29.0 | 28.9 | 28.5 | 28.2 | 30.2 |
| Average temperature (°C) | 23.0 | 23.9 | 23.2 | 23.5 | 23.8 | 23.3 | 23.4 | 23.5 | 23.2 | 23.0 | 22.9 | 24.0 |
| Average night temperature (°C) | 19.5 | 19.9 | 19.9 | 20.0 | 20.4 | 20.0 | 20.1 | 20.1 | 20.4 | 20.3 | 20.1 | 20.4 |
| Absolute minimum temperature (°C) | 17.3 | 18.6 | 18.6 | 18.5 | 19.5 | 19.1 | 19.3 | 18.6 | 19.3 | 19.1 | 19.0 | 19.0 |
| 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) | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 |
| 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) | 7.9 | 8.5 | 7.3 | 8.2 | 7.9 | 7.7 | 7.9 | 7.6 | 6.7 | 6.8 | 6.6 | 8.4 |
| Precipitation (mm) | 129 | 96 | 266 | 242 | 212 | 141 | 103 | 154 | 268 | 331 | 395 | 131 |
| Sunny days | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 5 |
| Rainy days | 31 | 25 | 30 | 29 | 31 | 29 | 31 | 29 | 30 | 31 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ongongo is at