Average annual temperature is 18.2 °C
Absolute maximum temperature: 43.3 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 269 days
Number of rainy days: 95 days
Number of snow days: 1 day
Look at detailed online map of Umm ar Rīsh
* Weather data for Umm ar Rīsh Syria is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.1 | 22.9 | 25.4 | 29.5 | 34.0 | 36.5 | 38.5 | 43.3 | 37.8 | 30.3 | 27.1 | 18.7 |
| Average daytime temperature (°C) | 12.1 | 11.5 | 17.7 | 21.9 | 27.1 | 31.2 | 35.8 | 36.4 | 32.5 | 26.8 | 19.9 | 14.6 |
| Average temperature (°C) | 7.6 | 6.9 | 12.6 | 15.7 | 20.6 | 24.0 | 28.4 | 28.9 | 25.6 | 21.5 | 15.5 | 10.6 |
| Average night temperature (°C) | 4.5 | 3.0 | 8.3 | 10.0 | 14.1 | 17.4 | 21.7 | 22.3 | 19.6 | 16.9 | 11.7 | 7.4 |
| Absolute minimum temperature (°C) | 1.0 | -2.6 | 2.1 | 4.1 | 8.3 | 14.2 | 18.9 | 19.7 | 17.8 | 14.1 | 5.8 | 2.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 8.0 | 8.7 | 9.2 | 10.8 | 12.5 | 12.8 | 13.0 | 12.5 | 11.2 | 9.7 | 8.2 | 8.2 |
| Precipitation (mm) | 14 | 31 | 64 | 16 | 7 | 2 | 0 | 0 | 0 | 4 | 40 | 23 |
| Sunny days | 21 | 16 | 12 | 18 | 22 | 27 | 31 | 29 | 29 | 20 | 22 | 22 |
| Rainy days | 10 | 11 | 19 | 12 | 9 | 3 | 0 | 2 | 1 | 11 | 8 | 9 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Umm ar Rīsh is at