Average annual temperature is 23.2 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Onkasa
* Weather data for Onkasa 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) | 31.6 | 32.3 | 32.1 | 31.8 | 31.3 | 29.5 | 31.5 | 31.4 | 31.2 | 31.0 | 31.7 | 31.6 |
| Average daytime temperature (°C) | 28.4 | 29.7 | 29.2 | 28.9 | 29.3 | 28.0 | 28.6 | 28.2 | 29.1 | 29.0 | 28.6 | 28.9 |
| Average temperature (°C) | 22.7 | 23.4 | 23.3 | 23.4 | 23.8 | 22.9 | 22.8 | 22.8 | 23.3 | 23.5 | 23.1 | 23.3 |
| Average night temperature (°C) | 19.6 | 20.0 | 20.2 | 20.5 | 20.9 | 19.7 | 18.5 | 19.1 | 20.0 | 20.7 | 20.4 | 20.5 |
| Absolute minimum temperature (°C) | 18.9 | 17.0 | 19.3 | 19.8 | 19.8 | 16.9 | 16.6 | 17.1 | 18.1 | 20.1 | 19.9 | 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 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.7 | 8.2 | 7.9 | 7.7 | 7.3 | 7.6 | 8.6 | 7.8 | 6.8 | 6.4 | 6.9 | 7.4 |
| Precipitation (mm) | 338 | 206 | 247 | 263 | 193 | 40 | 10 | 42 | 132 | 336 | 376 | 375 |
| Sunny days | 2 | 1 | 1 | 0 | 0 | 4 | 17 | 11 | 4 | 0 | 0 | 0 |
| Rainy days | 29 | 27 | 30 | 30 | 31 | 26 | 14 | 20 | 26 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onkasa is at