Average annual temperature is 18.7 °C
Absolute maximum temperature: 29.6 °C
Absolute minimum temperature: 7.4 °C
Number of sunny days: 164 days
Number of rainy days: 201 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) | 27.8 | 28.9 | 28.3 | 26.9 | 27.6 | 27.8 | 28.4 | 27.7 | 29.3 | 29.6 | 26.9 | 28.5 |
| Average daytime temperature (°C) | 25.5 | 26.9 | 24.9 | 24.1 | 24.4 | 25.0 | 24.8 | 26.2 | 26.0 | 27.3 | 23.9 | 25.5 |
| Average temperature (°C) | 17.2 | 18.7 | 18.6 | 18.2 | 18.8 | 19.4 | 18.9 | 19.9 | 19.9 | 19.9 | 17.2 | 17.2 |
| Average night temperature (°C) | 10.8 | 12.4 | 13.5 | 13.7 | 15.0 | 15.4 | 15.0 | 15.4 | 15.3 | 13.7 | 11.8 | 10.6 |
| Absolute minimum temperature (°C) | 7.8 | 9.7 | 11.9 | 12.3 | 13.3 | 14.4 | 13.8 | 13.3 | 12.7 | 12.0 | 9.6 | 7.4 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 10.6 | 10.9 | 9.7 | 10.2 | 10.4 | 10.8 | 10.1 | 10.8 | 10.8 | 10.2 | 10.0 | 10.8 |
| Precipitation (mm) | 1 | 0 | 79 | 131 | 89 | 32 | 22 | 45 | 46 | 36 | 52 | 0 |
| Sunny days | 29 | 26 | 8 | 1 | 1 | 6 | 12 | 8 | 2 | 20 | 21 | 30 |
| Rainy days | 2 | 2 | 23 | 29 | 30 | 24 | 19 | 23 | 28 | 11 | 9 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bīyo is at