Average annual temperature is 27.5 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 7.5 °C
Number of sunny days: 337 days
Number of rainy days: 28 days
Look at detailed online map of Ar Rīsān
* Weather data for Ar Rīsān Yemen is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.8 | 34.6 | 34.8 | 36.5 | 38.5 | 40.9 | 42.1 | 41.6 | 39.7 | 36.2 | 33.3 | 31.4 |
| Average daytime temperature (°C) | 26.7 | 30.9 | 31.4 | 34.2 | 36.4 | 39.1 | 40.7 | 39.6 | 38.0 | 33.1 | 30.1 | 26.2 |
| Average temperature (°C) | 20.0 | 22.8 | 25.0 | 28.4 | 30.3 | 32.7 | 34.2 | 33.4 | 31.7 | 26.9 | 24.2 | 19.5 |
| Average night temperature (°C) | 12.9 | 14.0 | 18.6 | 21.6 | 23.6 | 24.9 | 26.5 | 26.1 | 23.8 | 19.3 | 17.0 | 12.0 |
| Absolute minimum temperature (°C) | 9.2 | 9.2 | 15.8 | 19.5 | 20.5 | 21.8 | 23.6 | 23.4 | 19.2 | 17.4 | 13.6 | 7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.7 | 10.7 | 10.5 | 11.4 | 11.4 | 10.9 | 10.0 | 10.2 | 10.4 | 10.9 | 10.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 35 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Sunny days | 30 | 28 | 20 | 28 | 22 | 30 | 31 | 30 | 30 | 27 | 30 | 31 |
| Rainy days | 1 | 0 | 11 | 2 | 9 | 0 | 0 | 1 | 0 | 4 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ar Rīsān is at