Average annual temperature is 20.0 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: 10.2 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Bīyo
* Weather data for Bīyo Ethiopia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.4 | 30.3 | 31.5 | 26.7 | 27.2 | 28.4 | 27.6 | 29.0 | 29.2 | 28.9 | 26.4 | 28.3 |
| Average daytime temperature (°C) | 26.6 | 28.7 | 26.0 | 25.0 | 25.5 | 26.5 | 26.3 | 26.4 | 26.6 | 26.1 | 24.6 | 26.1 |
| Average temperature (°C) | 19.5 | 21.5 | 20.2 | 19.2 | 19.7 | 20.3 | 20.2 | 20.4 | 20.5 | 20.1 | 18.6 | 19.3 |
| Average night temperature (°C) | 12.9 | 14.7 | 15.6 | 14.5 | 15.1 | 15.4 | 15.6 | 15.4 | 15.7 | 15.1 | 13.6 | 12.8 |
| Absolute minimum temperature (°C) | 10.7 | 12.4 | 14.1 | 13.1 | 13.6 | 14.0 | 14.1 | 14.1 | 14.4 | 12.7 | 11.3 | 10.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.9 | 10.9 | 9.5 | 10.4 | 10.4 | 10.9 | 10.4 | 10.7 | 10.6 | 10.1 | 10.0 | 10.6 |
| Precipitation (mm) | 7 | 7 | 130 | 163 | 120 | 55 | 56 | 92 | 118 | 118 | 77 | 0 |
| Sunny days | 26 | 25 | 8 | 2 | 0 | 3 | 8 | 12 | 1 | 7 | 16 | 31 |
| Rainy days | 5 | 3 | 23 | 28 | 31 | 27 | 23 | 19 | 29 | 24 | 14 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bīyo is at