Average annual temperature is 23.3 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Siésé
* Weather data for Siésé 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) | 31.2 | 31.7 | 32.0 | 31.3 | 31.2 | 29.8 | 31.1 | 30.9 | 31.9 | 31.4 | 31.5 | 31.5 |
| Average daytime temperature (°C) | 28.4 | 29.5 | 29.2 | 29.4 | 29.2 | 28.3 | 28.5 | 28.3 | 29.1 | 29.0 | 28.5 | 28.7 |
| Average temperature (°C) | 22.7 | 23.4 | 23.4 | 23.7 | 23.8 | 23.0 | 22.7 | 22.8 | 23.6 | 23.7 | 23.3 | 23.3 |
| Average night temperature (°C) | 19.6 | 20.0 | 20.2 | 20.5 | 20.7 | 19.5 | 18.3 | 18.8 | 20.1 | 20.8 | 20.5 | 20.5 |
| Absolute minimum temperature (°C) | 18.6 | 17.5 | 19.0 | 19.9 | 19.7 | 17.0 | 16.7 | 17.0 | 18.3 | 19.8 | 19.5 | 18.8 |
| 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 | 11.9 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 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) | 8.1 | 7.7 | 7.9 | 8.1 | 7.4 | 8.1 | 8.6 | 7.9 | 7.3 | 6.9 | 7.1 | 7.2 |
| Precipitation (mm) | 318 | 131 | 227 | 228 | 146 | 39 | 7 | 48 | 112 | 320 | 242 | 321 |
| Sunny days | 1 | 2 | 1 | 0 | 2 | 8 | 17 | 8 | 2 | 0 | 0 | 0 |
| Rainy days | 30 | 26 | 30 | 30 | 29 | 22 | 14 | 23 | 28 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siésé is at