Average annual temperature is 16.2 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 245 days
Number of rainy days: 120 days
Look at detailed online map of Sayyān
* Weather data for Sayyān 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) | 22.8 | 25.0 | 23.3 | 23.6 | 27.7 | 30.2 | 29.7 | 30.7 | 27.9 | 25.4 | 23.3 | 22.3 |
| Average daytime temperature (°C) | 19.3 | 22.3 | 20.0 | 21.6 | 23.0 | 26.7 | 26.8 | 25.5 | 26.1 | 22.4 | 21.2 | 19.4 |
| Average temperature (°C) | 11.9 | 14.0 | 14.2 | 15.9 | 16.9 | 19.6 | 20.2 | 18.9 | 19.8 | 16.4 | 14.5 | 11.8 |
| Average night temperature (°C) | 5.3 | 6.5 | 8.7 | 10.3 | 11.7 | 13.5 | 15.0 | 13.7 | 13.2 | 10.1 | 7.9 | 4.6 |
| Absolute minimum temperature (°C) | 2.2 | 2.9 | 5.8 | 8.3 | 9.1 | 11.1 | 12.1 | 11.7 | 10.5 | 8.2 | 4.5 | -1.2 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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 | 10.8 | 10.8 | 11.2 | 10.3 | 10.1 | 8.1 | 10.4 | 9.8 | 10.2 | 10.2 | 10.3 |
| Precipitation (mm) | 1 | 0 | 30 | 37 | 72 | 2 | 2 | 33 | 0 | 22 | 0 | 0 |
| Sunny days | 25 | 28 | 13 | 1 | 7 | 25 | 23 | 12 | 26 | 26 | 29 | 30 |
| Rainy days | 6 | 0 | 18 | 29 | 24 | 5 | 8 | 19 | 4 | 5 | 1 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sayyān is at