Average annual temperature is 31.2 °C
Absolute maximum temperature: 43.3 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 284 days
Number of rainy days: 81 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) | 36.8 | 38.7 | 40.1 | 41.4 | 43.2 | 41.1 | 43.3 | 42.4 | 40.2 | 40.6 | 39.6 | 37.3 |
| Average daytime temperature (°C) | 33.0 | 32.8 | 32.5 | 36.3 | 37.5 | 38.8 | 40.6 | 40.4 | 38.1 | 37.9 | 36.6 | 34.2 |
| Average temperature (°C) | 27.2 | 27.1 | 27.8 | 31.2 | 32.6 | 33.4 | 35.2 | 35.1 | 33.2 | 32.2 | 30.9 | 28.5 |
| Average night temperature (°C) | 22.0 | 22.0 | 24.0 | 26.8 | 28.2 | 29.0 | 31.1 | 30.8 | 28.9 | 27.3 | 25.9 | 23.7 |
| Absolute minimum temperature (°C) | 20.3 | 19.0 | 21.0 | 22.5 | 25.3 | 27.0 | 29.3 | 28.8 | 27.1 | 25.3 | 22.8 | 22.4 |
| 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) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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 | 10.2 | 10.3 | 10.9 | 11.0 | 10.8 | 10.3 | 10.5 | 10.6 | 10.4 | 10.0 | 10.2 |
| Precipitation (mm) | 6 | 11 | 65 | 29 | 2 | 0 | 0 | 6 | 0 | 5 | 7 | 2 |
| Sunny days | 26 | 20 | 13 | 16 | 26 | 30 | 31 | 27 | 29 | 16 | 23 | 27 |
| Rainy days | 5 | 8 | 18 | 14 | 5 | 0 | 0 | 4 | 1 | 15 | 7 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ona is at