Average annual temperature is 22.4 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 9.7 °C
Number of sunny days: 249 days
Number of rainy days: 116 days
Look at detailed online map of Debre Maryam
* Weather data for Debre Maryam 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) | 31.7 | 33.0 | 33.7 | 35.0 | 36.0 | 31.9 | 30.6 | 29.2 | 34.5 | 33.6 | 31.8 | 30.7 |
| Average daytime temperature (°C) | 28.7 | 31.5 | 31.3 | 33.1 | 33.5 | 29.8 | 28.5 | 25.1 | 28.7 | 31.0 | 28.9 | 29.2 |
| Average temperature (°C) | 20.3 | 22.1 | 23.3 | 25.3 | 26.2 | 23.4 | 21.5 | 19.6 | 21.8 | 23.4 | 21.0 | 21.0 |
| Average night temperature (°C) | 12.1 | 13.1 | 14.9 | 17.3 | 18.7 | 16.9 | 16.1 | 15.4 | 15.1 | 16.4 | 14.5 | 13.1 |
| Absolute minimum temperature (°C) | 9.7 | 11.4 | 11.6 | 13.7 | 15.8 | 15.2 | 14.8 | 14.1 | 14.2 | 13.3 | 12.4 | 12.0 |
| 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) | 11.4 | 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) | 10.5 | 10.8 | 10.9 | 11.0 | 10.4 | 10.2 | 9.8 | 9.1 | 10.5 | 10.3 | 9.6 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 12 | 43 | 91 | 184 | 48 | 43 | 45 | 0 |
| Sunny days | 31 | 28 | 31 | 27 | 23 | 17 | 4 | 1 | 14 | 22 | 20 | 31 |
| Rainy days | 0 | 0 | 0 | 3 | 8 | 13 | 27 | 30 | 16 | 9 | 10 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Debre Maryam is at