Average annual temperature is 30.3 °C
Absolute maximum temperature: 49.7 °C
Absolute minimum temperature: 12.2 °C
Number of sunny days: 339 days
Number of rainy days: 26 days
Look at detailed online map of Ḩarthīyah
* Weather data for Ḩarthīyah 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) | 31.3 | 34.6 | 37.5 | 39.0 | 43.5 | 47.3 | 49.2 | 46.7 | 49.7 | 45.5 | 38.4 | 35.2 |
| Average daytime temperature (°C) | 26.9 | 28.1 | 32.3 | 35.3 | 38.7 | 44.2 | 44.6 | 42.5 | 44.4 | 39.7 | 34.9 | 29.5 |
| Average temperature (°C) | 21.3 | 21.8 | 25.6 | 28.8 | 31.8 | 37.1 | 36.8 | 35.6 | 38.0 | 33.3 | 28.9 | 23.7 |
| Average night temperature (°C) | 16.3 | 15.9 | 19.6 | 22.7 | 25.0 | 30.1 | 29.7 | 29.5 | 32.2 | 27.2 | 23.6 | 18.8 |
| Absolute minimum temperature (°C) | 12.9 | 12.2 | 15.5 | 16.0 | 19.4 | 26.0 | 25.9 | 26.2 | 29.2 | 22.6 | 17.8 | 15.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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) | 9.2 | 10.3 | 10.7 | 10.8 | 12.0 | 12.7 | 12.4 | 11.2 | 10.5 | 10.3 | 9.8 | 9.2 |
| Precipitation (mm) | 20 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 26 | 1 | 73 |
| Sunny days | 25 | 28 | 29 | 24 | 29 | 30 | 31 | 31 | 30 | 29 | 29 | 24 |
| Rainy days | 6 | 0 | 2 | 6 | 2 | 0 | 0 | 0 | 0 | 2 | 1 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ḩarthīyah is at