Average annual temperature is 28.9 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 168 days
Number of rainy days: 197 days
Look at detailed online map of Sullam
* Weather data for Sullam 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) | 32.3 | 33.0 | 37.6 | 40.6 | 40.3 | 38.9 | 40.6 | 40.4 | 38.8 | 39.0 | 33.8 | 32.6 |
| Average daytime temperature (°C) | 29.9 | 30.6 | 32.1 | 34.9 | 35.4 | 36.7 | 37.9 | 37.1 | 35.5 | 34.1 | 32.5 | 30.4 |
| Average temperature (°C) | 24.4 | 25.3 | 27.0 | 29.9 | 30.6 | 31.7 | 33.1 | 32.5 | 30.5 | 29.3 | 27.4 | 25.3 |
| Average night temperature (°C) | 19.6 | 20.3 | 22.5 | 25.1 | 26.3 | 27.3 | 28.9 | 28.2 | 26.8 | 25.2 | 23.3 | 20.6 |
| Absolute minimum temperature (°C) | 18.3 | 18.9 | 19.8 | 22.4 | 23.6 | 25.7 | 27.3 | 26.3 | 25.0 | 23.2 | 21.0 | 18.3 |
| 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 | 12.5 | 12.8 | 12.9 | 12.9 | 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) | 10.3 | 10.5 | 10.3 | 11.3 | 10.4 | 10.3 | 10.0 | 10.1 | 10.4 | 10.4 | 10.3 | 10.0 |
| Precipitation (mm) | 4 | 2 | 65 | 50 | 39 | 28 | 6 | 44 | 71 | 29 | 15 | 6 |
| Sunny days | 24 | 23 | 10 | 7 | 7 | 15 | 23 | 13 | 5 | 3 | 11 | 27 |
| Rainy days | 7 | 5 | 21 | 23 | 24 | 15 | 8 | 18 | 25 | 28 | 19 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sullam is at