Average annual temperature is 24.3 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Onga
* Weather data for Onga 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) | 30.9 | 32.6 | 32.6 | 31.0 | 31.5 | 30.2 | 30.0 | 30.1 | 30.9 | 30.5 | 30.5 | 32.5 |
| Average daytime temperature (°C) | 28.9 | 30.0 | 29.4 | 29.0 | 29.4 | 28.5 | 28.6 | 28.8 | 28.9 | 28.7 | 28.6 | 29.6 |
| Average temperature (°C) | 24.0 | 24.6 | 24.4 | 24.2 | 24.7 | 24.2 | 24.2 | 24.3 | 24.4 | 24.3 | 23.9 | 24.6 |
| Average night temperature (°C) | 20.5 | 20.9 | 20.9 | 21.0 | 21.4 | 20.9 | 20.6 | 20.8 | 21.1 | 21.5 | 21.2 | 21.2 |
| Absolute minimum temperature (°C) | 16.5 | 17.8 | 19.0 | 19.9 | 19.8 | 19.2 | 19.6 | 19.5 | 20.3 | 20.0 | 20.4 | 19.6 |
| 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) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 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) | 8.7 | 9.6 | 8.5 | 7.7 | 8.7 | 8.9 | 9.8 | 9.1 | 8.5 | 7.7 | 7.3 | 8.1 |
| Precipitation (mm) | 122 | 141 | 272 | 245 | 161 | 103 | 53 | 100 | 148 | 208 | 289 | 241 |
| Sunny days | 4 | 2 | 1 | 1 | 1 | 4 | 0 | 2 | 0 | 0 | 0 | 3 |
| Rainy days | 27 | 26 | 30 | 29 | 30 | 26 | 31 | 29 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onga is at