Average annual temperature is 20.4 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 9.4 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of Deka Arbaa
* Weather data for Deka Arbaa 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) | 30.2 | 31.0 | 31.8 | 33.7 | 33.7 | 30.4 | 30.1 | 27.3 | 31.9 | 31.3 | 29.1 | 28.6 |
| Average daytime temperature (°C) | 26.6 | 29.3 | 29.1 | 30.9 | 31.1 | 27.4 | 27.5 | 24.5 | 28.1 | 28.5 | 26.1 | 26.8 |
| Average temperature (°C) | 17.9 | 19.7 | 21.0 | 22.7 | 23.4 | 21.3 | 20.8 | 18.8 | 21.1 | 20.8 | 18.5 | 18.5 |
| Average night temperature (°C) | 11.2 | 12.0 | 13.9 | 15.6 | 16.9 | 15.7 | 15.4 | 14.6 | 15.1 | 14.8 | 13.0 | 12.1 |
| Absolute minimum temperature (°C) | 9.4 | 10.2 | 11.9 | 13.1 | 14.0 | 14.2 | 13.6 | 13.3 | 13.4 | 13.4 | 10.6 | 10.5 |
| 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 | 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 | 11.4 | 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) | 10.5 | 10.8 | 10.7 | 11.1 | 10.4 | 10.6 | 9.9 | 9.4 | 10.7 | 10.3 | 9.8 | 10.4 |
| Precipitation (mm) | 3 | 0 | 0 | 8 | 47 | 46 | 72 | 213 | 24 | 37 | 68 | 0 |
| Sunny days | 24 | 27 | 26 | 22 | 17 | 13 | 5 | 3 | 20 | 19 | 18 | 31 |
| Rainy days | 7 | 1 | 5 | 8 | 14 | 17 | 26 | 28 | 10 | 12 | 12 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Deka Arbaa is at