Average annual temperature is 24.2 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 44 days
Number of rainy days: 321 days
Look at detailed online map of Onianva
* Weather data for Onianva 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) | 30.9 | 33.5 | 33.1 | 31.5 | 32.1 | 31.8 | 31.7 | 32.6 | 31.9 | 32.3 | 31.4 | 31.8 |
| Average daytime temperature (°C) | 29.3 | 31.1 | 29.7 | 29.7 | 30.6 | 29.6 | 30.2 | 30.1 | 29.5 | 29.4 | 28.6 | 29.6 |
| Average temperature (°C) | 23.6 | 25.0 | 24.0 | 24.3 | 24.8 | 24.2 | 24.6 | 24.4 | 24.2 | 24.1 | 23.5 | 24.2 |
| Average night temperature (°C) | 20.1 | 20.7 | 20.5 | 20.9 | 21.2 | 20.6 | 20.2 | 20.6 | 20.8 | 21.0 | 20.6 | 21.0 |
| Absolute minimum temperature (°C) | 18.9 | 18.7 | 18.9 | 20.2 | 19.8 | 19.3 | 18.4 | 19.4 | 19.7 | 20.3 | 19.4 | 19.9 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.2 | 12.1 | 12.1 | 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.8 | 9.3 | 7.8 | 8.6 | 9.2 | 9.7 | 10.7 | 9.7 | 8.8 | 7.8 | 7.7 | 8.1 |
| Precipitation (mm) | 151 | 45 | 218 | 186 | 140 | 53 | 17 | 53 | 119 | 244 | 266 | 205 |
| Sunny days | 4 | 7 | 3 | 3 | 3 | 3 | 12 | 6 | 0 | 1 | 0 | 2 |
| Rainy days | 27 | 21 | 28 | 27 | 28 | 27 | 19 | 25 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onianva is at