Average annual temperature is 25.2 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 7.9 °C
Number of sunny days: 309 days
Number of rainy days: 56 days
Look at detailed online map of Ar Rumaylah
* Weather data for Ar Rumaylah 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) | 24.6 | 30.5 | 28.8 | 32.4 | 37.3 | 40.9 | 40.4 | 39.8 | 38.4 | 37.8 | 28.4 | 25.1 |
| Average daytime temperature (°C) | 19.2 | 26.3 | 26.1 | 28.7 | 34.3 | 37.1 | 37.6 | 37.2 | 35.4 | 30.9 | 25.6 | 22.6 |
| Average temperature (°C) | 14.9 | 20.9 | 21.4 | 23.6 | 29.5 | 32.2 | 32.7 | 32.1 | 29.9 | 26.3 | 21.1 | 17.8 |
| Average night temperature (°C) | 10.6 | 15.5 | 16.1 | 18.6 | 23.7 | 26.3 | 27.5 | 26.3 | 24.2 | 21.2 | 16.5 | 12.9 |
| Absolute minimum temperature (°C) | 7.9 | 9.2 | 11.0 | 13.5 | 18.1 | 21.9 | 24.8 | 22.1 | 20.9 | 16.8 | 13.9 | 10.0 |
| 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) | 9.5 | 10.6 | 10.4 | 11.1 | 11.9 | 11.8 | 11.3 | 11.1 | 11.5 | 10.4 | 10.0 | 9.8 |
| Precipitation (mm) | 23 | 1 | 6 | 12 | 1 | 3 | 7 | 2 | 0 | 33 | 1 | 0 |
| Sunny days | 24 | 27 | 25 | 17 | 28 | 24 | 27 | 25 | 29 | 28 | 25 | 30 |
| Rainy days | 7 | 1 | 6 | 13 | 3 | 6 | 4 | 6 | 1 | 3 | 5 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ar Rumaylah is at