Average annual temperature is 25.0 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 34 days
Number of rainy days: 331 days
Look at detailed online map of Bas-Kouilou
* Weather data for Bas-Kouilou 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) | 30.3 | 30.9 | 30.5 | 30.4 | 30.0 | 27.1 | 26.0 | 26.3 | 27.1 | 29.3 | 29.1 | 29.6 |
| Average daytime temperature (°C) | 28.1 | 28.9 | 28.8 | 29.3 | 28.3 | 25.6 | 24.6 | 25.0 | 26.0 | 27.8 | 27.7 | 28.0 |
| Average temperature (°C) | 25.4 | 26.3 | 26.3 | 26.4 | 26.3 | 23.7 | 22.0 | 22.6 | 24.2 | 25.8 | 25.7 | 25.8 |
| Average night temperature (°C) | 23.2 | 24.1 | 24.2 | 24.1 | 24.7 | 22.3 | 20.0 | 20.7 | 22.8 | 24.4 | 24.0 | 23.8 |
| Absolute minimum temperature (°C) | 22.6 | 23.2 | 23.0 | 23.3 | 23.4 | 20.1 | 18.6 | 18.9 | 21.3 | 23.5 | 22.9 | 21.7 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 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) | 6.7 | 7.2 | 8.4 | 7.9 | 9.1 | 9.1 | 7.3 | 7.7 | 6.8 | 7.7 | 6.9 | 7.5 |
| Precipitation (mm) | 394 | 264 | 192 | 322 | 187 | 15 | 11 | 8 | 72 | 211 | 378 | 455 |
| Sunny days | 1 | 1 | 2 | 1 | 2 | 5 | 10 | 11 | 0 | 1 | 0 | 0 |
| Rainy days | 30 | 27 | 29 | 29 | 29 | 25 | 21 | 20 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bas-Kouilou is at