Average annual temperature is 26.2 °C
Absolute maximum temperature: 45.3 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 311 days
Number of rainy days: 54 days
Look at detailed online map of Sumlah
* Weather data for Sumlah 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) | 27.2 | 31.3 | 33.8 | 34.5 | 41.9 | 43.7 | 44.7 | 45.3 | 43.0 | 40.4 | 30.9 | 28.6 |
| Average daytime temperature (°C) | 17.6 | 23.3 | 27.4 | 29.3 | 37.7 | 40.8 | 43.4 | 43.1 | 41.2 | 35.8 | 27.1 | 24.1 |
| Average temperature (°C) | 12.8 | 16.5 | 20.9 | 22.7 | 31.2 | 34.3 | 36.5 | 36.5 | 34.3 | 29.0 | 21.3 | 17.6 |
| Average night temperature (°C) | 8.9 | 10.3 | 14.5 | 16.6 | 24.3 | 26.8 | 28.4 | 28.7 | 26.3 | 21.8 | 15.7 | 11.3 |
| Absolute minimum temperature (°C) | 4.2 | 6.3 | 9.5 | 10.5 | 17.6 | 24.3 | 25.6 | 26.0 | 23.5 | 19.1 | 11.8 | 5.9 |
| 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) | 10.8 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.0 | 9.8 | 10.1 | 10.3 | 10.9 | 11.9 | 11.9 | 11.6 | 10.7 | 10.2 | 9.1 | 9.3 |
| Precipitation (mm) | 71 | 0 | 18 | 38 | 5 | 0 | 0 | 0 | 0 | 0 | 25 | 16 |
| Sunny days | 16 | 28 | 24 | 20 | 28 | 30 | 31 | 31 | 30 | 30 | 19 | 24 |
| Rainy days | 15 | 0 | 7 | 10 | 3 | 0 | 0 | 0 | 0 | 1 | 11 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumlah is at