Average annual temperature is 27.3 °C
Absolute maximum temperature: 46.8 °C
Absolute minimum temperature: 5.1 °C
Number of sunny days: 333 days
Number of rainy days: 32 days
Look at detailed online map of Sumaynān
* Weather data for Sumaynān 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) | 27.9 | 29.8 | 33.6 | 35.2 | 39.5 | 43.1 | 46.3 | 46.4 | 46.8 | 42.8 | 33.3 | 31.1 |
| Average daytime temperature (°C) | 22.6 | 23.9 | 28.7 | 31.2 | 36.8 | 41.0 | 42.4 | 43.4 | 42.7 | 36.7 | 30.5 | 26.4 |
| Average temperature (°C) | 16.4 | 17.4 | 22.1 | 24.8 | 30.2 | 34.0 | 35.0 | 36.3 | 36.0 | 30.2 | 24.3 | 19.9 |
| Average night temperature (°C) | 9.9 | 10.1 | 14.3 | 17.4 | 21.9 | 25.8 | 26.6 | 28.1 | 28.0 | 22.9 | 17.4 | 13.0 |
| Absolute minimum temperature (°C) | 5.3 | 5.1 | 9.5 | 8.5 | 14.8 | 22.8 | 24.0 | 24.5 | 24.9 | 17.3 | 12.0 | 7.6 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.6 |
| 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) | 9.2 | 10.1 | 10.7 | 10.8 | 11.9 | 12.7 | 12.7 | 11.2 | 10.1 | 10.0 | 9.8 | 9.2 |
| Precipitation (mm) | 12 | 0 | 20 | 38 | 0 | 0 | 0 | 0 | 0 | 12 | 2 | 11 |
| Sunny days | 26 | 28 | 25 | 24 | 30 | 30 | 31 | 31 | 30 | 28 | 26 | 24 |
| Rainy days | 5 | 0 | 6 | 6 | 1 | 0 | 0 | 0 | 0 | 3 | 4 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumaynān is at