Average annual temperature is 26.5 °C
Absolute maximum temperature: 49.9 °C
Absolute minimum temperature: 3.1 °C
Number of sunny days: 315 days
Number of rainy days: 50 days
Look at detailed online map of Sīyāj
* Weather data for Sīyāj Iraq is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.7 | 27.9 | 33.2 | 38.1 | 42.4 | 46.4 | 48.5 | 49.9 | 48.2 | 41.1 | 32.8 | 26.8 |
| Average daytime temperature (°C) | 16.3 | 18.3 | 25.4 | 30.8 | 37.5 | 43.2 | 46.7 | 46.8 | 43.3 | 35.0 | 25.2 | 21.5 |
| Average temperature (°C) | 11.5 | 12.5 | 19.3 | 24.3 | 31.2 | 37.1 | 39.9 | 40.1 | 36.4 | 29.0 | 20.2 | 15.6 |
| Average night temperature (°C) | 7.4 | 7.6 | 13.6 | 17.8 | 24.1 | 30.1 | 32.1 | 32.6 | 29.0 | 23.1 | 15.7 | 10.9 |
| Absolute minimum temperature (°C) | 3.6 | 3.1 | 10.0 | 8.9 | 18.6 | 26.5 | 29.4 | 28.6 | 25.7 | 17.5 | 8.0 | 7.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 8.6 | 9.0 | 10.4 | 11.1 | 12.1 | 12.1 | 11.9 | 11.2 | 9.4 | 8.4 | 7.8 |
| Precipitation (mm) | 73 | 4 | 52 | 20 | 0 | 0 | 0 | 0 | 0 | 2 | 68 | 16 |
| Sunny days | 20 | 23 | 18 | 25 | 30 | 30 | 31 | 31 | 30 | 29 | 23 | 25 |
| Rainy days | 11 | 5 | 13 | 5 | 1 | 0 | 0 | 0 | 0 | 2 | 7 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sīyāj is at