Average annual temperature is 17.3 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 299 days
Number of rainy days: 60 days
Number of snow days: 6 days
Look at detailed online map of Sīn
* Weather data for Sīn 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) | 11.4 | 16.7 | 22.7 | 27.3 | 34.9 | 39.5 | 40.1 | 38.7 | 36.8 | 31.3 | 21.2 | 16.9 |
| Average daytime temperature (°C) | 5.4 | 10.6 | 18.9 | 23.5 | 29.6 | 35.5 | 38.1 | 34.8 | 32.4 | 25.9 | 17.3 | 12.9 |
| Average temperature (°C) | 0.5 | 3.9 | 12.1 | 17.0 | 22.5 | 28.8 | 31.3 | 28.5 | 25.5 | 18.8 | 11.0 | 6.2 |
| Average night temperature (°C) | -3.9 | -1.8 | 4.9 | 9.3 | 14.4 | 20.7 | 23.4 | 20.7 | 17.6 | 11.5 | 5.0 | 0.0 |
| Absolute minimum temperature (°C) | -6.5 | -6.0 | 1.2 | 1.0 | 7.9 | 16.1 | 20.7 | 14.8 | 12.5 | 8.2 | 0.3 | -3.2 |
| 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) | 7.2 | 8.5 | 9.4 | 10.7 | 11.8 | 12.7 | 12.3 | 11.8 | 10.9 | 9.7 | 9.0 | 8.7 |
| Precipitation (mm) | 35 | 47 | 12 | 15 | 2 | 1 | 0 | 0 | 0 | 4 | 9 | 12 |
| Sunny days | 18 | 17 | 20 | 24 | 29 | 27 | 31 | 30 | 30 | 24 | 23 | 26 |
| Rainy days | 7 | 11 | 11 | 6 | 2 | 3 | 0 | 1 | 0 | 7 | 7 | 5 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sīn is at