Average annual temperature is 31.3 °C
Absolute maximum temperature: 43.2 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 261 days
Number of rainy days: 104 days
Look at detailed online map of As Sumaylah
* Weather data for As Sumaylah 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) | 35.7 | 38.7 | 41.0 | 42.4 | 43.2 | 43.1 | 41.8 | 42.0 | 40.8 | 40.7 | 39.7 | 36.2 |
| Average daytime temperature (°C) | 33.9 | 34.4 | 35.8 | 39.1 | 38.6 | 38.2 | 39.7 | 39.8 | 38.6 | 37.8 | 36.7 | 34.7 |
| Average temperature (°C) | 26.7 | 27.2 | 29.4 | 32.6 | 33.2 | 33.5 | 35.0 | 35.0 | 33.9 | 32.0 | 29.9 | 27.4 |
| Average night temperature (°C) | 21.2 | 21.5 | 24.1 | 26.4 | 28.2 | 28.9 | 30.3 | 30.6 | 29.8 | 27.3 | 25.0 | 22.2 |
| Absolute minimum temperature (°C) | 19.5 | 19.3 | 21.1 | 24.6 | 24.5 | 26.7 | 27.5 | 28.5 | 28.0 | 24.5 | 23.1 | 19.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 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) | 10.2 | 10.7 | 10.3 | 11.4 | 10.5 | 10.2 | 10.0 | 9.9 | 10.0 | 10.5 | 10.3 | 10.0 |
| Precipitation (mm) | 0 | 1 | 31 | 17 | 31 | 10 | 0 | 14 | 17 | 8 | 2 | 0 |
| Sunny days | 31 | 24 | 16 | 18 | 12 | 27 | 29 | 23 | 17 | 11 | 23 | 30 |
| Rainy days | 0 | 4 | 15 | 12 | 19 | 3 | 2 | 8 | 13 | 20 | 7 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in As Sumaylah is at