Average annual temperature is 29.5 °C
Absolute maximum temperature: 44.5 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 266 days
Number of rainy days: 99 days
Look at detailed online map of Umm az Zillah
* Weather data for Umm az Zillah Saudi Arabia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.5 | 32.3 | 35.6 | 37.4 | 40.8 | 44.5 | 44.2 | 43.9 | 43.8 | 44.5 | 34.8 | 32.4 |
| Average daytime temperature (°C) | 25.2 | 29.3 | 31.7 | 34.4 | 38.2 | 41.4 | 41.5 | 40.4 | 40.1 | 36.8 | 31.8 | 29.5 |
| Average temperature (°C) | 21.1 | 23.0 | 25.6 | 28.6 | 32.0 | 35.5 | 36.0 | 35.0 | 34.4 | 31.0 | 27.1 | 24.6 |
| Average night temperature (°C) | 18.0 | 17.7 | 20.1 | 23.3 | 26.3 | 30.3 | 30.9 | 30.1 | 29.6 | 26.4 | 23.2 | 20.3 |
| Absolute minimum temperature (°C) | 15.5 | 14.3 | 16.2 | 17.9 | 24.2 | 27.9 | 28.3 | 27.3 | 27.0 | 23.3 | 20.7 | 15.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 10.6 | 10.6 | 11.1 | 11.5 | 11.7 | 11.2 | 10.6 | 10.3 | 10.0 | 9.5 | 9.4 |
| Precipitation (mm) | 71 | 1 | 8 | 31 | 1 | 1 | 0 | 12 | 7 | 6 | 26 | 34 |
| Sunny days | 11 | 26 | 25 | 16 | 27 | 27 | 31 | 29 | 21 | 21 | 16 | 16 |
| Rainy days | 20 | 2 | 6 | 14 | 4 | 3 | 0 | 2 | 9 | 10 | 14 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umm az Zillah is at