Average annual temperature is 28.6 °C
Absolute maximum temperature: 45.1 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 296 days
Number of rainy days: 69 days
Look at detailed online map of Ar Rissah
* Weather data for Ar Rissah 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) | 29.8 | 33.6 | 34.8 | 37.5 | 44.4 | 45.0 | 45.1 | 44.8 | 42.8 | 43.2 | 35.6 | 29.3 |
| Average daytime temperature (°C) | 22.7 | 29.3 | 30.5 | 33.5 | 40.4 | 41.8 | 39.8 | 41.0 | 38.5 | 35.9 | 30.3 | 27.2 |
| Average temperature (°C) | 18.2 | 23.0 | 24.7 | 27.7 | 34.4 | 36.1 | 34.5 | 35.0 | 32.8 | 30.2 | 24.8 | 21.7 |
| Average night temperature (°C) | 14.3 | 17.6 | 19.6 | 22.3 | 28.5 | 30.9 | 29.9 | 29.7 | 27.6 | 25.6 | 20.0 | 16.7 |
| Absolute minimum temperature (°C) | 11.1 | 14.1 | 15.4 | 16.1 | 22.3 | 28.0 | 27.1 | 26.7 | 25.0 | 21.2 | 17.2 | 13.5 |
| 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 | 11.4 | 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) | 8.8 | 10.6 | 10.4 | 11.1 | 11.8 | 11.9 | 11.1 | 11.0 | 11.1 | 10.1 | 9.9 | 9.7 |
| Precipitation (mm) | 39 | 0 | 7 | 8 | 1 | 0 | 0 | 0 | 0 | 9 | 19 | 10 |
| Sunny days | 17 | 27 | 21 | 19 | 28 | 29 | 31 | 30 | 29 | 19 | 19 | 27 |
| Rainy days | 14 | 1 | 10 | 11 | 3 | 1 | 0 | 1 | 1 | 12 | 11 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ar Rissah is at