Average annual temperature is 25.1 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 102 days
Number of rainy days: 263 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) | 32.8 | 32.9 | 34.0 | 30.4 | 29.7 | 30.0 | 31.0 | 32.1 | 34.3 | 37.1 | 34.3 | 32.9 |
| Average daytime temperature (°C) | 30.4 | 30.9 | 30.4 | 28.8 | 28.2 | 28.3 | 28.6 | 29.5 | 32.1 | 34.9 | 31.6 | 31.3 |
| Average temperature (°C) | 25.5 | 26.1 | 25.5 | 24.2 | 23.6 | 22.7 | 22.5 | 23.7 | 26.3 | 28.7 | 26.0 | 25.9 |
| Average night temperature (°C) | 21.8 | 22.6 | 22.2 | 21.3 | 19.7 | 17.9 | 17.0 | 18.9 | 21.7 | 23.6 | 22.1 | 22.4 |
| Absolute minimum temperature (°C) | 20.8 | 21.8 | 20.6 | 19.8 | 17.6 | 14.8 | 15.3 | 16.3 | 20.2 | 21.3 | 21.2 | 21.7 |
| 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) | 10.0 | 9.7 | 8.9 | 8.6 | 10.0 | 10.3 | 10.2 | 10.0 | 10.2 | 10.4 | 9.4 | 9.5 |
| Precipitation (mm) | 251 | 139 | 305 | 377 | 74 | 20 | 5 | 29 | 13 | 55 | 260 | 444 |
| Sunny days | 6 | 5 | 2 | 2 | 6 | 20 | 20 | 10 | 13 | 15 | 2 | 1 |
| Rainy days | 25 | 23 | 29 | 28 | 25 | 10 | 11 | 21 | 17 | 16 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biro is at