Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Olen
* Weather data for Olen 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) | 38.4 | 39.6 | 39.8 | 39.4 | 36.7 | 36.1 | 35.1 | 37.7 | 35.6 | 37.2 | 33.7 | 36.5 |
| Average daytime temperature (°C) | 35.8 | 38.2 | 36.3 | 35.4 | 33.6 | 32.2 | 31.7 | 33.0 | 31.9 | 33.5 | 31.2 | 34.7 |
| Average temperature (°C) | 28.3 | 30.2 | 29.5 | 28.6 | 27.6 | 26.2 | 25.9 | 26.6 | 25.8 | 26.8 | 25.3 | 27.9 |
| Average night temperature (°C) | 21.4 | 22.7 | 23.7 | 23.6 | 23.1 | 21.5 | 21.4 | 21.7 | 21.2 | 21.8 | 21.2 | 21.6 |
| Absolute minimum temperature (°C) | 18.0 | 19.3 | 20.8 | 20.5 | 21.0 | 20.0 | 19.7 | 19.8 | 19.7 | 19.0 | 20.3 | 19.0 |
| 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 | 12.5 | 12.5 | 12.4 | 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) | 10.2 | 10.4 | 9.1 | 9.3 | 9.6 | 9.6 | 9.6 | 10.0 | 9.7 | 9.7 | 9.9 | 10.6 |
| Precipitation (mm) | 12 | 0 | 10 | 86 | 60 | 114 | 85 | 46 | 49 | 144 | 148 | 28 |
| Sunny days | 27 | 27 | 22 | 9 | 5 | 3 | 9 | 13 | 5 | 7 | 5 | 15 |
| Rainy days | 4 | 1 | 9 | 21 | 26 | 27 | 22 | 18 | 25 | 24 | 25 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Olen is at