Average annual temperature is 24.9 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 62 days
Number of rainy days: 303 days
Look at detailed online map of Bio
* Weather data for Bio 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) | 33.2 | 34.4 | 35.4 | 33.0 | 33.3 | 33.1 | 32.3 | 32.5 | 31.9 | 33.3 | 32.0 | 33.6 |
| Average daytime temperature (°C) | 31.1 | 32.6 | 30.6 | 30.1 | 30.6 | 28.7 | 30.0 | 29.8 | 29.9 | 30.5 | 29.4 | 31.3 |
| Average temperature (°C) | 24.8 | 25.8 | 24.9 | 24.9 | 25.3 | 24.1 | 24.7 | 24.7 | 24.6 | 24.8 | 24.4 | 25.2 |
| Average night temperature (°C) | 20.4 | 21.2 | 21.5 | 21.5 | 22.0 | 21.4 | 21.4 | 21.4 | 21.4 | 21.7 | 21.6 | 20.9 |
| Absolute minimum temperature (°C) | 18.2 | 19.0 | 19.8 | 20.4 | 20.2 | 20.4 | 20.3 | 20.4 | 20.1 | 20.4 | 20.7 | 18.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| 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) | 9.6 | 10.0 | 7.8 | 8.2 | 8.7 | 7.2 | 9.4 | 8.8 | 8.9 | 8.7 | 7.7 | 9.5 |
| Precipitation (mm) | 15 | 22 | 151 | 154 | 138 | 183 | 94 | 132 | 197 | 180 | 217 | 33 |
| Sunny days | 14 | 13 | 5 | 3 | 6 | 0 | 1 | 2 | 1 | 2 | 0 | 15 |
| Rainy days | 17 | 15 | 26 | 27 | 25 | 30 | 30 | 29 | 29 | 29 | 30 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bio is at