Average annual temperature is 11.4 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -22.3 °C
Number of sunny days: 265 days
Number of rainy days: 89 days
Number of snow days: 11 days
Look at detailed online map of Sīr
* Weather data for Sīr 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) | 5.5 | 13.7 | 16.4 | 21.2 | 24.7 | 32.0 | 32.5 | 28.7 | 28.6 | 24.1 | 15.2 | 12.0 |
| Average daytime temperature (°C) | -1.6 | 6.3 | 11.8 | 17.1 | 21.4 | 26.8 | 25.7 | 24.0 | 22.4 | 18.2 | 11.3 | 8.4 |
| Average temperature (°C) | -4.6 | 2.5 | 7.5 | 12.1 | 16.2 | 20.9 | 20.0 | 18.1 | 16.3 | 13.8 | 7.9 | 5.3 |
| Average night temperature (°C) | -8.6 | -1.4 | 3.5 | 6.8 | 10.5 | 14.9 | 14.5 | 12.8 | 10.6 | 9.2 | 4.2 | 1.6 |
| Absolute minimum temperature (°C) | -22.3 | -9.4 | -1.7 | 0.1 | 3.4 | 10.1 | 12.1 | 7.6 | 3.3 | 4.0 | -2.1 | -3.4 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 8.3 | 8.4 | 10.1 | 11.3 | 11.5 | 12.3 | 12.9 | 12.1 | 11.5 | 10.3 | 8.9 | 8.8 |
| Precipitation (mm) | 28 | 52 | 46 | 13 | 19 | 2 | 0 | 0 | 0 | 15 | 16 | 1 |
| Sunny days | 22 | 11 | 14 | 17 | 18 | 26 | 31 | 30 | 29 | 20 | 19 | 28 |
| Rainy days | 1 | 15 | 17 | 13 | 13 | 4 | 0 | 1 | 1 | 11 | 11 | 2 |
| Snow days | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Sīr is at