Average annual temperature is 12.5 °C
Absolute maximum temperature: 22.9 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 89 days
Number of rainy days: 276 days
Look at detailed online map of West Arsi
* Weather data for West Arsi 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) | 22.7 | 22.9 | 22.2 | 20.5 | 20.7 | 19.4 | 18.1 | 20.1 | 20.0 | 20.5 | 20.7 | 22.5 |
| Average daytime temperature (°C) | 19.8 | 21.6 | 18.4 | 18.4 | 18.4 | 17.7 | 16.9 | 17.3 | 18.1 | 19.1 | 19.0 | 19.9 |
| Average temperature (°C) | 12.2 | 13.8 | 12.7 | 12.5 | 12.7 | 12.5 | 12.1 | 12.1 | 12.2 | 12.5 | 11.9 | 12.6 |
| Average night temperature (°C) | 5.3 | 6.6 | 8.1 | 8.1 | 8.4 | 8.6 | 9.0 | 8.1 | 7.9 | 7.4 | 6.2 | 6.3 |
| Absolute minimum temperature (°C) | 2.7 | 3.1 | 6.3 | 5.7 | 6.8 | 7.3 | 7.8 | 5.9 | 6.5 | 5.5 | 3.2 | 4.4 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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 | 10.7 | 9.5 | 9.9 | 10.4 | 10.3 | 8.8 | 10.0 | 10.2 | 10.4 | 10.3 | 10.9 |
| Precipitation (mm) | 2 | 6 | 181 | 147 | 131 | 139 | 252 | 148 | 186 | 99 | 36 | 7 |
| Sunny days | 24 | 23 | 2 | 4 | 0 | 0 | 0 | 0 | 1 | 6 | 14 | 15 |
| Rainy days | 7 | 5 | 29 | 26 | 31 | 30 | 31 | 31 | 29 | 25 | 16 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in West Arsi is at