Average annual temperature is 27.1 °C
Absolute maximum temperature: 46 °C
Absolute minimum temperature: 5.9 °C
Number of sunny days: 313
Number of rainy days: 52
Number of snow days:
Average annual precipitation: 145 mm
Look at detailed online map of Riyadh
* Weather data for Riyadh Saudi Arabia is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.6 | 31 | 34 | 35.7 | 41.9 | 44.7 | 46 | 45.8 | 44.1 | 40.6 | 32.6 | 27.3 |
| Average daytime temperature (°C) | 17.3 | 24.2 | 28.7 | 30.1 | 38.4 | 41.7 | 44.2 | 43.8 | 41.6 | 35.6 | 28.1 | 23.8 |
| Average temperature (°C) | 12.9 | 17.7 | 22.3 | 24 | 32.3 | 35.6 | 37.7 | 37.5 | 34.7 | 29.3 | 22.7 | 17.8 |
| Average night temperature (°C) | 9 | 11.5 | 15.8 | 17.8 | 25.3 | 28 | 29.5 | 29.8 | 26.9 | 22.1 | 17.2 | 12 |
| Absolute minimum temperature (°C) | 5.9 | 7.2 | 12.7 | 11.4 | 20.3 | 26 | 27.7 | 27.9 | 23.8 | 18.7 | 11.7 | 6.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11 | 11.6 | 12.4 | 13.1 | 13.6 | 13.7 | 13.7 | 13.3 | 12.6 | 11.9 | 11.2 | 10.7 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12 | 12.7 | 13.3 | 13.7 | 13.5 | 13 | 12.3 | 11.6 | 11 | 10.6 |
| Daylight minimum duration (h) | 10.6 | 11.1 | 11.7 | 12.4 | 13.1 | 13.6 | 13.3 | 12.7 | 12 | 11.3 | 10.7 | 10.6 |
| Sunshine mean duration (h) | 7.6 | 10 | 9.9 | 9.9 | 10.7 | 11.8 | 11.9 | 11.4 | 11.1 | 10.6 | 9.2 | 9.4 |
| Precipitation (mm) | 99 | 0 | 6 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 4 |
| Sunny days | 16 | 27 | 23 | 15 | 30 | 30 | 31 | 31 | 30 | 30 | 21 | 29 |
| Rainy days | 15 | 1 | 8 | 15 | 1 | 1 | 9 | 2 |
The largest precipitation sum in Riyadh is at