Average annual temperature is 24.4 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Viaza
* Weather data for Viaza Democratic 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 | 34.5 | 33.8 | 33.9 | 32.8 | 30.6 | 32.3 | 32.0 | 34.3 | 34.4 | 33.2 | 33.0 |
| Average daytime temperature (°C) | 29.5 | 31.0 | 30.3 | 30.3 | 30.4 | 28.0 | 29.2 | 28.4 | 29.4 | 31.0 | 30.1 | 30.0 |
| Average temperature (°C) | 24.2 | 25.2 | 25.0 | 24.9 | 25.3 | 23.1 | 22.9 | 23.0 | 24.3 | 25.4 | 24.8 | 24.9 |
| Average night temperature (°C) | 21.1 | 21.7 | 21.9 | 21.8 | 22.0 | 19.7 | 18.1 | 18.6 | 20.1 | 21.8 | 21.9 | 22.0 |
| Absolute minimum temperature (°C) | 20.0 | 20.2 | 20.7 | 20.7 | 20.3 | 17.1 | 16.8 | 17.3 | 17.9 | 21.0 | 20.9 | 21.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.0 | 8.3 | 8.3 | 7.7 | 8.2 | 7.6 | 9.3 | 7.4 | 7.2 | 7.2 | 7.0 | 7.8 |
| Precipitation (mm) | 294 | 174 | 155 | 232 | 109 | 7 | 3 | 1 | 33 | 174 | 383 | 345 |
| Sunny days | 1 | 1 | 3 | 1 | 3 | 17 | 27 | 22 | 15 | 1 | 0 | 2 |
| Rainy days | 30 | 27 | 28 | 29 | 28 | 13 | 4 | 9 | 15 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Viaza is at