Average annual temperature is 30.4 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 20.0 °C
Number of sunny days: 308 days
Number of rainy days: 57 days
Look at detailed online map of Ar Ruwān
* Weather data for Ar Ruwān 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) | 29.8 | 30.5 | 33.2 | 36.1 | 37.9 | 39.1 | 40.8 | 40.5 | 41.0 | 38.3 | 34.1 | 32.2 |
| Average daytime temperature (°C) | 28.6 | 29.2 | 30.7 | 33.5 | 35.4 | 36.6 | 38.1 | 37.8 | 37.5 | 35.0 | 32.7 | 30.9 |
| Average temperature (°C) | 25.4 | 26.0 | 27.8 | 30.6 | 32.4 | 33.4 | 34.2 | 33.9 | 33.7 | 31.3 | 29.1 | 26.6 |
| Average night temperature (°C) | 21.6 | 22.1 | 24.2 | 27.3 | 29.0 | 30.3 | 30.5 | 30.1 | 29.9 | 27.1 | 25.1 | 22.5 |
| Absolute minimum temperature (°C) | 20.0 | 20.3 | 20.2 | 25.0 | 25.1 | 28.6 | 27.7 | 27.6 | 27.7 | 24.4 | 23.1 | 20.3 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 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) | 10.2 | 10.8 | 10.7 | 11.2 | 10.9 | 10.9 | 10.1 | 10.3 | 10.4 | 9.8 | 9.7 | 10.0 |
| Precipitation (mm) | 2 | 0 | 17 | 12 | 20 | 0 | 0 | 7 | 0 | 31 | 38 | 0 |
| Sunny days | 25 | 26 | 20 | 25 | 26 | 30 | 31 | 28 | 29 | 19 | 19 | 30 |
| Rainy days | 6 | 2 | 11 | 5 | 5 | 0 | 0 | 3 | 1 | 12 | 11 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ar Ruwān is at