Average annual temperature is 30.1 °C
Absolute maximum temperature: 44.3 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 228 days
Number of rainy days: 137 days
Look at detailed online map of Wādī Sayyāl
* Weather data for Wādī Sayyāl 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) | 33.5 | 34.0 | 36.9 | 38.9 | 40.7 | 43.4 | 42.5 | 42.3 | 42.6 | 44.3 | 35.1 | 34.6 |
| Average daytime temperature (°C) | 30.0 | 32.1 | 31.6 | 36.2 | 38.2 | 40.0 | 39.6 | 39.3 | 39.3 | 36.6 | 33.5 | 32.5 |
| Average temperature (°C) | 24.4 | 25.8 | 26.1 | 30.1 | 32.5 | 34.5 | 34.6 | 34.2 | 33.6 | 30.6 | 28.3 | 26.4 |
| Average night temperature (°C) | 20.2 | 20.7 | 21.5 | 25.3 | 27.9 | 30.3 | 30.4 | 30.3 | 29.4 | 26.0 | 24.3 | 22.0 |
| Absolute minimum temperature (°C) | 19.0 | 19.0 | 15.1 | 21.7 | 24.4 | 28.6 | 28.6 | 28.6 | 27.7 | 23.5 | 22.5 | 19.8 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.8 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 9.8 | 10.7 | 10.3 | 11.1 | 11.2 | 11.0 | 10.7 | 10.5 | 10.3 | 9.7 | 9.6 | 10.0 |
| Precipitation (mm) | 51 | 0 | 98 | 51 | 15 | 27 | 0 | 13 | 6 | 16 | 18 | 7 |
| Sunny days | 10 | 27 | 12 | 10 | 17 | 20 | 31 | 26 | 24 | 17 | 16 | 18 |
| Rainy days | 21 | 1 | 19 | 20 | 14 | 10 | 0 | 5 | 6 | 14 | 14 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wādī Sayyāl is at