Average annual temperature is 30.8 °C
Absolute maximum temperature: 44.3 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Wādī Sayāl
* Weather data for Wādī Sayāl 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) | 33.2 | 35.0 | 36.9 | 39.6 | 41.6 | 44.1 | 44.3 | 43.0 | 42.6 | 44.3 | 36.0 | 34.2 |
| Average daytime temperature (°C) | 30.1 | 33.0 | 31.7 | 36.1 | 38.8 | 41.2 | 41.4 | 40.4 | 40.3 | 37.6 | 34.4 | 32.7 |
| Average temperature (°C) | 24.7 | 26.5 | 26.4 | 30.4 | 33.0 | 35.7 | 35.8 | 35.2 | 34.4 | 31.2 | 28.7 | 26.8 |
| Average night temperature (°C) | 20.0 | 20.7 | 21.6 | 25.3 | 28.1 | 30.8 | 30.8 | 30.5 | 29.2 | 26.1 | 24.0 | 22.0 |
| Absolute minimum temperature (°C) | 18.1 | 18.1 | 16.8 | 21.8 | 24.1 | 28.7 | 28.8 | 27.6 | 27.2 | 23.7 | 21.8 | 19.6 |
| 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 | 13.3 | 13.2 | 12.8 | 12.2 | 11.7 | 11.2 | 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) | 9.7 | 10.7 | 10.4 | 11.1 | 11.3 | 11.1 | 10.8 | 10.6 | 10.4 | 9.7 | 9.4 | 9.9 |
| Precipitation (mm) | 26 | 0 | 102 | 52 | 7 | 8 | 1 | 5 | 12 | 23 | 15 | 5 |
| Sunny days | 13 | 28 | 14 | 16 | 21 | 18 | 30 | 23 | 17 | 14 | 16 | 25 |
| Rainy days | 18 | 0 | 17 | 14 | 10 | 12 | 1 | 8 | 13 | 17 | 14 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wādī Sayāl is at