Average annual temperature is 17.6 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: -7.3 °C
Number of sunny days: 310 days
Number of rainy days: 52 days
Number of snow days: 3 days
Look at detailed online map of Sīrīān
* Weather data for Sīrīān Iran is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.1 | 16.1 | 24.1 | 28.6 | 35.5 | 41.9 | 40.4 | 38.7 | 36.3 | 31.5 | 21.4 | 16.6 |
| Average daytime temperature (°C) | 5.4 | 11.0 | 19.3 | 24.1 | 30.0 | 35.9 | 38.4 | 35.3 | 32.9 | 26.3 | 17.5 | 13.5 |
| Average temperature (°C) | 0.5 | 4.2 | 12.8 | 17.7 | 23.3 | 29.3 | 31.8 | 28.9 | 25.9 | 19.2 | 11.0 | 6.3 |
| Average night temperature (°C) | -4.3 | -2.1 | 5.2 | 9.8 | 15.0 | 20.9 | 23.6 | 20.5 | 17.3 | 11.2 | 4.2 | -1.2 |
| Absolute minimum temperature (°C) | -7.3 | -5.9 | 0.4 | 0.5 | 7.9 | 16.8 | 21.3 | 15.6 | 12.0 | 6.0 | -1.8 | -4.3 |
| 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 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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) | 7.3 | 8.3 | 9.5 | 10.8 | 12.1 | 12.8 | 12.6 | 11.9 | 11.0 | 9.8 | 8.8 | 8.8 |
| Precipitation (mm) | 34 | 30 | 14 | 2 | 0 | 1 | 0 | 0 | 0 | 4 | 14 | 3 |
| Sunny days | 21 | 17 | 21 | 25 | 28 | 28 | 31 | 30 | 30 | 28 | 23 | 28 |
| Rainy days | 7 | 11 | 10 | 5 | 3 | 2 | 0 | 1 | 0 | 3 | 7 | 3 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sīrīān is at