Average annual temperature is 24.3 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 15.8 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Olonga
* Weather data for Olonga 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) | 32.0 | 33.6 | 33.5 | 31.8 | 32.4 | 30.7 | 30.9 | 31.5 | 31.3 | 31.8 | 31.1 | 33.3 |
| Average daytime temperature (°C) | 29.7 | 31.1 | 30.1 | 29.7 | 30.2 | 29.1 | 29.1 | 29.6 | 29.4 | 29.1 | 28.9 | 30.1 |
| Average temperature (°C) | 24.1 | 24.7 | 24.5 | 24.2 | 24.8 | 24.1 | 24.3 | 24.3 | 24.3 | 24.1 | 23.9 | 24.6 |
| Average night temperature (°C) | 20.4 | 20.7 | 20.8 | 20.8 | 21.2 | 21.0 | 20.7 | 20.7 | 21.2 | 21.4 | 21.1 | 21.2 |
| Absolute minimum temperature (°C) | 15.8 | 17.5 | 18.5 | 19.8 | 19.9 | 19.7 | 19.8 | 19.0 | 20.2 | 20.7 | 20.4 | 19.1 |
| 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) | 8.9 | 9.6 | 8.2 | 8.2 | 9.3 | 9.2 | 10.1 | 9.1 | 8.6 | 7.9 | 7.7 | 8.2 |
| Precipitation (mm) | 130 | 97 | 252 | 217 | 182 | 108 | 54 | 95 | 173 | 325 | 296 | 210 |
| Sunny days | 5 | 3 | 1 | 0 | 1 | 1 | 3 | 1 | 0 | 1 | 0 | 2 |
| Rainy days | 26 | 25 | 30 | 30 | 30 | 29 | 28 | 30 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Olonga is at