Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 14.7 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Najl al Asfal
* Weather data for Najl al Asfal 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) | 29.9 | 32.6 | 33.3 | 36.3 | 37.6 | 35.2 | 36.9 | 35.8 | 35.8 | 38.9 | 33.3 | 30.8 |
| Average daytime temperature (°C) | 27.5 | 29.1 | 29.5 | 32.0 | 32.3 | 33.2 | 34.2 | 33.6 | 32.4 | 32.0 | 30.5 | 28.2 |
| Average temperature (°C) | 22.0 | 23.1 | 24.2 | 26.5 | 27.2 | 28.4 | 29.5 | 29.1 | 27.1 | 26.1 | 24.5 | 22.6 |
| Average night temperature (°C) | 16.5 | 17.4 | 19.5 | 21.3 | 22.5 | 23.5 | 24.7 | 24.6 | 22.3 | 20.7 | 19.0 | 17.0 |
| Absolute minimum temperature (°C) | 14.7 | 15.0 | 16.3 | 19.1 | 20.2 | 21.6 | 23.0 | 22.5 | 20.7 | 18.1 | 16.5 | 14.9 |
| 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 | 10.6 | 10.2 | 11.3 | 10.6 | 10.7 | 10.4 | 10.3 | 10.6 | 10.6 | 10.5 | 10.1 |
| Precipitation (mm) | 3 | 4 | 46 | 46 | 59 | 57 | 13 | 19 | 67 | 41 | 18 | 5 |
| Sunny days | 26 | 22 | 12 | 13 | 4 | 8 | 18 | 12 | 5 | 4 | 15 | 26 |
| Rainy days | 5 | 6 | 19 | 17 | 27 | 22 | 13 | 19 | 25 | 27 | 15 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Najl al Asfal is at