Average annual temperature is 24.6 °C
Absolute maximum temperature: 45.6 °C
Absolute minimum temperature: 2.1 °C
Number of sunny days: 300 days
Number of rainy days: 65 days
Look at detailed online map of As Si‘ayyirah
* Weather data for As Si‘ayyirah 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) | 26.3 | 28.0 | 31.9 | 33.7 | 41.4 | 43.6 | 45.6 | 45.0 | 43.5 | 41.1 | 31.1 | 27.9 |
| Average daytime temperature (°C) | 16.2 | 19.1 | 25.1 | 28.1 | 36.2 | 40.1 | 42.7 | 42.7 | 41.0 | 34.9 | 25.8 | 22.3 |
| Average temperature (°C) | 11.0 | 12.7 | 18.6 | 21.4 | 29.2 | 33.2 | 35.7 | 35.8 | 33.7 | 28.1 | 19.4 | 15.8 |
| Average night temperature (°C) | 6.5 | 6.8 | 12.2 | 14.5 | 21.8 | 25.1 | 27.5 | 27.6 | 25.3 | 21.1 | 13.5 | 9.5 |
| Absolute minimum temperature (°C) | 2.1 | 3.1 | 8.4 | 7.4 | 16.9 | 21.4 | 25.7 | 25.1 | 22.2 | 17.0 | 8.6 | 4.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.2 | 9.4 | 10.0 | 10.3 | 11.6 | 11.8 | 12.1 | 11.8 | 10.6 | 9.8 | 9.5 | 8.9 |
| Precipitation (mm) | 66 | 1 | 40 | 46 | 13 | 0 | 0 | 0 | 0 | 0 | 14 | 20 |
| Sunny days | 15 | 27 | 20 | 18 | 29 | 29 | 31 | 31 | 30 | 29 | 19 | 22 |
| Rainy days | 16 | 1 | 11 | 12 | 2 | 1 | 0 | 0 | 0 | 2 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in As Si‘ayyirah is at