Average annual temperature is 25.9 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 132 days
Number of rainy days: 233 days
Look at detailed online map of Siaka
* Weather data for Siaka 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) | 38.2 | 40.3 | 39.8 | 38.1 | 37.5 | 34.5 | 34.4 | 33.4 | 34.5 | 35.1 | 33.0 | 35.7 |
| Average daytime temperature (°C) | 36.1 | 37.1 | 34.0 | 33.5 | 34.2 | 30.2 | 30.6 | 30.8 | 30.8 | 31.4 | 29.3 | 32.8 |
| Average temperature (°C) | 27.9 | 28.9 | 27.0 | 26.7 | 27.4 | 24.6 | 24.6 | 24.5 | 24.7 | 25.1 | 23.7 | 25.3 |
| Average night temperature (°C) | 20.4 | 21.1 | 21.7 | 21.8 | 22.2 | 21.3 | 20.7 | 20.8 | 20.7 | 21.0 | 20.6 | 19.7 |
| Absolute minimum temperature (°C) | 18.2 | 18.7 | 19.1 | 20.5 | 20.5 | 19.9 | 19.7 | 19.4 | 19.4 | 19.4 | 19.3 | 16.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.9 | 10.5 | 8.4 | 8.3 | 9.8 | 8.0 | 8.9 | 8.7 | 8.9 | 8.6 | 6.9 | 9.9 |
| Precipitation (mm) | 1 | 1 | 33 | 85 | 56 | 157 | 97 | 95 | 159 | 138 | 198 | 9 |
| Sunny days | 30 | 26 | 13 | 11 | 8 | 1 | 6 | 4 | 2 | 6 | 3 | 22 |
| Rainy days | 1 | 2 | 18 | 19 | 23 | 29 | 25 | 27 | 28 | 25 | 27 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siaka is at