Average annual temperature is 23.4 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Ongo
* Weather data for Ongo 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) | 31.4 | 32.8 | 32.4 | 31.5 | 31.6 | 31.2 | 30.6 | 31.7 | 31.2 | 31.4 | 31.4 | 32.2 |
| Average daytime temperature (°C) | 29.7 | 31.0 | 29.2 | 29.4 | 29.3 | 28.5 | 28.8 | 29.3 | 29.0 | 28.9 | 28.4 | 30.1 |
| Average temperature (°C) | 23.6 | 24.4 | 23.3 | 23.3 | 23.7 | 23.1 | 23.3 | 23.4 | 23.1 | 23.1 | 22.9 | 24.2 |
| Average night temperature (°C) | 19.9 | 20.2 | 20.2 | 20.0 | 20.5 | 20.3 | 20.2 | 20.2 | 20.2 | 20.2 | 20.1 | 20.5 |
| Absolute minimum temperature (°C) | 17.9 | 17.5 | 18.3 | 18.5 | 19.6 | 19.4 | 19.5 | 19.2 | 19.4 | 19.3 | 18.8 | 18.6 |
| 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) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 |
| Sunshine mean duration (h) | 8.6 | 9.0 | 7.4 | 8.1 | 7.8 | 7.8 | 8.0 | 7.4 | 7.4 | 7.6 | 6.8 | 8.3 |
| Precipitation (mm) | 58 | 46 | 282 | 252 | 163 | 189 | 191 | 176 | 219 | 325 | 372 | 118 |
| Sunny days | 3 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
| Rainy days | 28 | 24 | 30 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ongo is at