Average annual temperature is 28.3 °C
Absolute maximum temperature: 48.0 °C
Absolute minimum temperature: 11.3 °C
Number of sunny days: 332 days
Number of rainy days: 33 days
Look at detailed online map of Ar Rumaylīyah
* Weather data for Ar Rumaylīyah 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) | 30.7 | 35.5 | 37.0 | 39.8 | 43.8 | 48.0 | 45.8 | 44.1 | 40.5 | 42.6 | 34.6 | 31.3 |
| Average daytime temperature (°C) | 26.4 | 32.0 | 32.9 | 35.2 | 40.2 | 43.4 | 41.3 | 39.8 | 38.9 | 36.9 | 31.6 | 28.5 |
| Average temperature (°C) | 20.1 | 23.6 | 25.7 | 27.9 | 32.7 | 35.2 | 33.3 | 31.5 | 31.2 | 30.1 | 25.9 | 22.1 |
| Average night temperature (°C) | 14.1 | 15.1 | 18.2 | 21.0 | 25.4 | 27.6 | 26.6 | 24.4 | 24.3 | 23.6 | 20.1 | 15.2 |
| Absolute minimum temperature (°C) | 11.8 | 11.3 | 13.8 | 16.5 | 21.0 | 25.4 | 23.3 | 22.0 | 21.5 | 21.6 | 18.0 | 12.2 |
| 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 | 13.2 | 13.5 | 13.3 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.6 | 10.4 | 10.8 | 11.9 | 11.6 | 10.2 | 10.9 | 10.9 | 10.4 | 10.0 | 9.9 |
| Precipitation (mm) | 6 | 0 | 10 | 21 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| Sunny days | 26 | 28 | 25 | 20 | 31 | 30 | 28 | 31 | 27 | 29 | 26 | 31 |
| Rainy days | 5 | 0 | 6 | 10 | 0 | 0 | 3 | 0 | 3 | 2 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ar Rumaylīyah is at