Average annual temperature is 27.5 °C
Absolute maximum temperature: 42.8 °C
Absolute minimum temperature: 10.9 °C
Number of sunny days: 290 days
Number of rainy days: 75 days
Look at detailed online map of Ar Risaylī
* Weather data for Ar Risaylī Oman is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.6 | 34.5 | 32.7 | 35.5 | 42.6 | 42.8 | 42.6 | 42.6 | 40.5 | 40.3 | 31.9 | 28.8 |
| Average daytime temperature (°C) | 22.1 | 29.8 | 30.1 | 31.8 | 38.5 | 40.7 | 40.0 | 40.4 | 37.8 | 34.5 | 28.8 | 25.5 |
| Average temperature (°C) | 17.4 | 23.1 | 24.1 | 25.7 | 32.0 | 34.7 | 34.3 | 33.9 | 31.4 | 28.8 | 23.4 | 20.3 |
| Average night temperature (°C) | 13.2 | 17.5 | 18.8 | 20.6 | 25.2 | 28.2 | 28.2 | 26.5 | 24.1 | 22.7 | 18.2 | 15.4 |
| Absolute minimum temperature (°C) | 10.9 | 13.3 | 15.6 | 18.3 | 21.9 | 24.5 | 25.1 | 22.8 | 21.7 | 18.2 | 15.7 | 11.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.3 | 13.5 | 13.4 | 12.9 | 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) | 9.7 | 10.6 | 10.5 | 11.1 | 11.8 | 11.9 | 10.7 | 11.1 | 11.5 | 10.4 | 10.1 | 9.9 |
| Precipitation (mm) | 12 | 0 | 33 | 91 | 1 | 1 | 0 | 5 | 1 | 25 | 5 | 0 |
| Sunny days | 20 | 27 | 22 | 10 | 25 | 27 | 29 | 24 | 29 | 22 | 24 | 31 |
| Rainy days | 11 | 1 | 9 | 20 | 6 | 3 | 2 | 7 | 1 | 9 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ar Risaylī is at