Average annual temperature is 25.1 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 96 days
Number of rainy days: 269 days
Look at detailed online map of Biro
* Weather data for Biro Tanzania 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 | 33.2 | 33.7 | 30.4 | 30.0 | 29.5 | 30.7 | 32.4 | 34.3 | 36.8 | 34.4 | 32.9 |
| Average daytime temperature (°C) | 30.8 | 31.4 | 30.8 | 29.0 | 28.3 | 28.1 | 28.4 | 29.7 | 32.2 | 34.8 | 31.8 | 31.4 |
| Average temperature (°C) | 25.7 | 26.3 | 25.7 | 24.3 | 23.4 | 22.4 | 22.3 | 23.8 | 26.5 | 28.8 | 26.2 | 26.1 |
| Average night temperature (°C) | 21.8 | 22.6 | 22.2 | 21.4 | 19.7 | 17.6 | 16.9 | 18.8 | 21.9 | 23.7 | 22.3 | 22.5 |
| Absolute minimum temperature (°C) | 20.9 | 21.9 | 20.9 | 20.0 | 17.8 | 14.8 | 14.9 | 15.7 | 19.5 | 21.7 | 21.3 | 21.6 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.1 | 9.9 | 9.2 | 9.0 | 10.4 | 10.4 | 10.3 | 10.2 | 10.7 | 10.7 | 9.7 | 9.8 |
| Precipitation (mm) | 180 | 96 | 296 | 358 | 72 | 23 | 5 | 31 | 12 | 55 | 207 | 396 |
| Sunny days | 6 | 4 | 3 | 1 | 6 | 17 | 19 | 10 | 14 | 14 | 1 | 1 |
| Rainy days | 25 | 24 | 28 | 29 | 25 | 13 | 12 | 21 | 16 | 17 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biro is at