Average annual temperature is 28.8 °C
Absolute maximum temperature: 45.8 °C
Absolute minimum temperature: 6.5 °C
Number of sunny days: 341 days
Number of rainy days: 24 days
Look at detailed online map of As Sulayyil
* Weather data for As Sulayyil 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) | 30.6 | 35.7 | 37.5 | 38.7 | 42.6 | 45.7 | 45.8 | 45.8 | 43.3 | 40.1 | 33.6 | 29.7 |
| Average daytime temperature (°C) | 23.6 | 29.1 | 31.3 | 33.3 | 39.1 | 42.3 | 44.4 | 43.9 | 41.4 | 35.9 | 31.2 | 25.5 |
| Average temperature (°C) | 17.7 | 21.6 | 25.0 | 27.3 | 33.2 | 35.9 | 37.8 | 37.6 | 34.9 | 29.6 | 25.6 | 18.9 |
| Average night temperature (°C) | 11.9 | 14.1 | 18.8 | 20.9 | 26.6 | 28.5 | 29.8 | 30.3 | 27.3 | 22.6 | 19.6 | 12.1 |
| Absolute minimum temperature (°C) | 8.7 | 8.9 | 14.1 | 16.2 | 23.7 | 25.1 | 27.4 | 27.5 | 23.9 | 19.4 | 16.8 | 6.5 |
| 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 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 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) | 9.3 | 10.1 | 9.9 | 10.6 | 10.8 | 10.9 | 10.9 | 10.5 | 10.9 | 10.5 | 9.6 | 9.9 |
| Precipitation (mm) | 0 | 0 | 33 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sunny days | 28 | 28 | 24 | 20 | 28 | 29 | 31 | 31 | 30 | 31 | 30 | 31 |
| Rainy days | 3 | 0 | 7 | 10 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in As Sulayyil is at