Average annual temperature is 31.1 °C
Absolute maximum temperature: 45.0 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 344 days
Number of rainy days: 21 days
Look at detailed online map of Riyadh
* Weather data for Riyadh Sudan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.9 | 38.8 | 40.5 | 44.0 | 45.0 | 43.8 | 43.1 | 43.3 | 42.0 | 42.5 | 39.5 | 37.3 |
| Average daytime temperature (°C) | 31.1 | 32.7 | 35.7 | 39.8 | 41.6 | 40.1 | 40.2 | 38.4 | 39.7 | 39.7 | 37.0 | 32.0 |
| Average temperature (°C) | 23.9 | 25.3 | 28.8 | 32.8 | 35.0 | 34.8 | 34.5 | 33.0 | 34.5 | 34.4 | 31.3 | 25.0 |
| Average night temperature (°C) | 16.7 | 18.0 | 21.2 | 24.6 | 27.1 | 29.0 | 28.6 | 27.4 | 28.7 | 28.0 | 24.8 | 17.9 |
| Absolute minimum temperature (°C) | 13.8 | 13.9 | 16.5 | 18.7 | 22.4 | 27.0 | 25.6 | 25.2 | 26.4 | 25.5 | 18.8 | 13.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.5 | 11.0 | 11.2 | 11.7 | 11.0 | 11.0 | 10.1 | 10.5 | 10.9 | 10.6 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 | 4 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 30 | 28 | 28 | 20 | 27 | 30 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 11 | 3 | 1 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riyadh is at