Average annual temperature is 27.7 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 9.0 °C
Number of sunny days: 337 days
Number of rainy days: 28 days
Look at detailed online map of ‘Usaylān
* Weather data for ‘Usaylān 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) | 30.9 | 34.6 | 34.8 | 35.9 | 38.7 | 41.3 | 42.3 | 41.6 | 39.5 | 36.5 | 33.3 | 31.4 |
| Average daytime temperature (°C) | 26.6 | 30.8 | 31.1 | 34.0 | 36.3 | 38.9 | 40.6 | 39.6 | 38.0 | 33.1 | 30.1 | 26.1 |
| Average temperature (°C) | 20.4 | 23.3 | 25.0 | 28.3 | 30.3 | 32.9 | 34.4 | 33.5 | 32.0 | 27.4 | 24.6 | 20.2 |
| Average night temperature (°C) | 13.4 | 14.8 | 18.6 | 21.6 | 23.8 | 25.3 | 26.8 | 26.2 | 24.6 | 20.6 | 17.7 | 13.6 |
| Absolute minimum temperature (°C) | 9.3 | 10.5 | 15.2 | 19.1 | 20.4 | 22.3 | 23.9 | 23.8 | 22.2 | 17.8 | 14.3 | 9.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 12.0 | 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 | 10.4 | 11.4 | 11.4 | 10.9 | 10.0 | 10.1 | 10.2 | 10.8 | 10.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 42 | 0 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| Sunny days | 30 | 28 | 19 | 29 | 23 | 30 | 31 | 29 | 30 | 27 | 30 | 31 |
| Rainy days | 1 | 0 | 12 | 1 | 8 | 0 | 0 | 2 | 0 | 4 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in ‘Usaylān is at