Average annual temperature is 15.9 °C
Absolute maximum temperature: 24.0 °C
Absolute minimum temperature: 9.9 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of Biso
* Weather data for Biso 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) | 21.3 | 22.5 | 24.0 | 22.7 | 22.5 | 22.4 | 23.1 | 24.0 | 22.5 | 22.7 | 21.5 | 21.9 |
| Average daytime temperature (°C) | 19.7 | 20.2 | 19.5 | 20.4 | 21.0 | 20.3 | 21.1 | 22.2 | 20.4 | 20.8 | 19.7 | 19.8 |
| Average temperature (°C) | 15.2 | 15.5 | 15.2 | 15.9 | 16.7 | 15.9 | 16.2 | 16.8 | 15.7 | 16.2 | 15.4 | 15.5 |
| Average night temperature (°C) | 11.5 | 11.7 | 12.1 | 12.9 | 13.6 | 12.8 | 12.5 | 12.5 | 12.4 | 12.8 | 12.4 | 12.5 |
| Absolute minimum temperature (°C) | 10.3 | 9.9 | 10.5 | 11.4 | 11.3 | 11.2 | 10.6 | 10.6 | 10.9 | 11.3 | 11.0 | 11.3 |
| 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 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 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) | 10.8 | 10.6 | 8.6 | 9.4 | 10.5 | 10.1 | 10.8 | 10.8 | 9.6 | 9.9 | 8.7 | 9.8 |
| Precipitation (mm) | 137 | 232 | 516 | 363 | 190 | 96 | 22 | 32 | 371 | 284 | 481 | 401 |
| Sunny days | 1 | 2 | 0 | 0 | 3 | 5 | 17 | 12 | 0 | 3 | 0 | 0 |
| Rainy days | 30 | 26 | 31 | 30 | 28 | 25 | 14 | 19 | 30 | 28 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biso is at