Average annual temperature is 23.5 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 36 days
Number of rainy days: 329 days
Look at detailed online map of Biaya
* Weather data for Biaya 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) | 31.4 | 32.4 | 33.5 | 31.9 | 31.8 | 32.3 | 33.6 | 33.1 | 32.1 | 32.5 | 31.3 | 30.5 |
| Average daytime temperature (°C) | 29.0 | 29.8 | 28.5 | 29.0 | 29.9 | 29.5 | 31.0 | 31.1 | 29.2 | 29.9 | 28.3 | 28.4 |
| Average temperature (°C) | 22.8 | 23.5 | 23.0 | 23.5 | 24.1 | 23.5 | 24.3 | 24.4 | 23.5 | 23.7 | 23.1 | 23.2 |
| Average night temperature (°C) | 18.8 | 19.1 | 19.2 | 20.0 | 20.5 | 19.6 | 19.3 | 19.9 | 19.8 | 19.8 | 19.8 | 19.9 |
| Absolute minimum temperature (°C) | 16.7 | 17.6 | 17.9 | 18.8 | 19.5 | 18.4 | 18.3 | 18.2 | 17.8 | 17.7 | 18.8 | 18.5 |
| 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) | 9.4 | 9.0 | 8.2 | 8.1 | 10.0 | 9.3 | 9.9 | 9.5 | 8.6 | 9.1 | 8.5 | 7.9 |
| Precipitation (mm) | 146 | 60 | 220 | 238 | 129 | 52 | 27 | 63 | 224 | 239 | 423 | 191 |
| Sunny days | 1 | 4 | 3 | 1 | 0 | 5 | 12 | 7 | 0 | 3 | 0 | 0 |
| Rainy days | 30 | 24 | 28 | 29 | 31 | 25 | 19 | 24 | 30 | 28 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biaya is at