Average annual temperature is 22.9 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 238 days
Number of rainy days: 127 days
Look at detailed online map of Ona
* Weather data for Ona Eritrea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.1 | 31.8 | 33.8 | 35.7 | 36.3 | 33.0 | 32.1 | 33.8 | 35.1 | 33.9 | 29.8 | 30.2 |
| Average daytime temperature (°C) | 27.3 | 28.8 | 30.3 | 32.5 | 33.3 | 30.8 | 30.7 | 28.3 | 31.9 | 30.8 | 27.5 | 27.9 |
| Average temperature (°C) | 19.5 | 20.2 | 21.9 | 24.2 | 25.8 | 25.3 | 25.3 | 23.2 | 24.7 | 23.3 | 20.7 | 20.2 |
| Average night temperature (°C) | 13.8 | 14.1 | 15.0 | 17.6 | 19.2 | 19.7 | 20.3 | 18.8 | 18.3 | 17.0 | 16.0 | 14.4 |
| Absolute minimum temperature (°C) | 11.1 | 12.2 | 11.7 | 13.8 | 16.1 | 18.1 | 18.5 | 17.2 | 16.3 | 15.2 | 12.6 | 12.2 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.8 | 10.9 | 11.2 | 11.3 | 10.8 | 10.3 | 10.2 | 10.8 | 10.5 | 10.0 | 10.4 |
| Precipitation (mm) | 5 | 0 | 0 | 4 | 16 | 28 | 22 | 70 | 13 | 20 | 37 | 0 |
| Sunny days | 20 | 26 | 30 | 21 | 23 | 15 | 16 | 5 | 19 | 20 | 14 | 29 |
| Rainy days | 11 | 2 | 1 | 9 | 8 | 15 | 15 | 26 | 11 | 11 | 16 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ona is at