Average annual temperature is 18.7 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 177 days
Number of rainy days: 188 days
Look at detailed online map of Sīāh Sān
* Weather data for Sīāh Sān 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) | 17.8 | 18.3 | 28.9 | 27.7 | 31.0 | 29.8 | 33.4 | 33.7 | 31.4 | 28.5 | 25.9 | 22.6 |
| Average daytime temperature (°C) | 10.6 | 12.2 | 17.7 | 20.2 | 23.0 | 26.1 | 28.2 | 30.4 | 25.6 | 23.1 | 21.6 | 17.0 |
| Average temperature (°C) | 8.4 | 9.4 | 14.7 | 17.2 | 20.4 | 24.0 | 26.0 | 27.9 | 23.3 | 20.5 | 18.5 | 14.0 |
| Average night temperature (°C) | 5.6 | 6.3 | 11.4 | 13.3 | 17.1 | 21.5 | 23.6 | 25.0 | 21.0 | 17.7 | 15.6 | 11.1 |
| Absolute minimum temperature (°C) | 1.6 | 2.5 | 7.0 | 5.8 | 11.1 | 19.0 | 20.9 | 22.2 | 18.2 | 14.5 | 10.9 | 6.9 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 7.1 | 6.8 | 9.6 | 9.8 | 11.3 | 9.9 | 11.1 | 9.2 | 8.4 | 7.7 | 6.7 |
| Precipitation (mm) | 105 | 239 | 106 | 80 | 170 | 101 | 87 | 27 | 149 | 257 | 95 | 178 |
| Sunny days | 12 | 10 | 8 | 18 | 14 | 13 | 11 | 23 | 15 | 17 | 16 | 20 |
| Rainy days | 19 | 18 | 23 | 12 | 17 | 17 | 20 | 8 | 15 | 14 | 14 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sīāh Sān during the most sunny months:
The largest precipitation sum in Sīāh Sān is at