Average annual temperature is 24.0 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: 15.8 °C
Number of sunny days: 30 days
Number of rainy days: 335 days
Look at detailed online map of Bia
* Weather data for Bia 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 | 32.5 | 32.3 | 30.6 | 31.5 | 30.0 | 29.9 | 30.3 | 30.5 | 30.2 | 30.1 | 32.2 |
| Average daytime temperature (°C) | 28.7 | 30.1 | 29.3 | 28.8 | 29.4 | 28.5 | 28.5 | 28.9 | 28.7 | 28.4 | 28.4 | 29.3 |
| Average temperature (°C) | 23.6 | 24.3 | 24.1 | 23.9 | 24.4 | 23.9 | 24.0 | 24.0 | 24.0 | 23.9 | 23.6 | 24.2 |
| Average night temperature (°C) | 20.0 | 20.5 | 20.5 | 20.6 | 20.9 | 20.6 | 20.4 | 20.4 | 20.8 | 21.1 | 20.8 | 20.9 |
| Absolute minimum temperature (°C) | 15.8 | 17.8 | 18.3 | 18.8 | 19.8 | 19.5 | 19.3 | 18.7 | 19.8 | 20.1 | 19.8 | 19.8 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.9 | 9.5 | 8.2 | 8.2 | 9.1 | 8.9 | 10.0 | 9.2 | 8.7 | 7.7 | 7.7 | 7.9 |
| Precipitation (mm) | 120 | 113 | 229 | 232 | 195 | 97 | 46 | 108 | 144 | 262 | 250 | 215 |
| Sunny days | 5 | 5 | 2 | 2 | 4 | 3 | 3 | 1 | 0 | 0 | 0 | 5 |
| Rainy days | 26 | 23 | 29 | 28 | 27 | 27 | 28 | 30 | 30 | 31 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bia is at