Average annual temperature is 23.9 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 22 days
Number of rainy days: 343 days
Look at detailed online map of Onienga
* Weather data for Onienga Republic of the Congo is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.7 | 32.8 | 32.0 | 31.0 | 31.2 | 30.0 | 30.6 | 31.0 | 30.6 | 30.8 | 30.5 | 32.2 |
| Average daytime temperature (°C) | 29.7 | 30.2 | 29.0 | 28.9 | 29.3 | 28.6 | 28.8 | 29.1 | 29.2 | 28.6 | 28.5 | 29.7 |
| Average temperature (°C) | 23.8 | 24.3 | 23.7 | 23.7 | 24.3 | 23.7 | 23.8 | 23.9 | 23.8 | 23.7 | 23.4 | 24.3 |
| Average night temperature (°C) | 20.1 | 20.5 | 20.3 | 20.5 | 21.0 | 20.5 | 20.3 | 20.4 | 20.7 | 20.8 | 20.6 | 20.9 |
| Absolute minimum temperature (°C) | 18.2 | 18.1 | 18.2 | 19.9 | 20.0 | 19.1 | 19.1 | 19.5 | 19.6 | 19.8 | 19.1 | 19.5 |
| 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 | 12.1 | 12.1 | 12.1 | 12.1 | 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) | 8.0 | 9.2 | 8.1 | 7.7 | 8.7 | 8.2 | 9.1 | 8.5 | 7.7 | 7.5 | 7.1 | 8.4 |
| Precipitation (mm) | 73 | 86 | 199 | 257 | 154 | 109 | 74 | 79 | 149 | 291 | 313 | 94 |
| Sunny days | 5 | 2 | 1 | 1 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | 7 |
| Rainy days | 26 | 26 | 30 | 29 | 29 | 28 | 31 | 30 | 30 | 31 | 29 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onienga is at