Average annual temperature is 9.3 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -21.3 °C
Number of sunny days: 178 days
Number of rainy days: 163 days
Number of snow days: 24 days
Look at detailed online map of Sīāh Darreh
* Weather data for Sīāh Darreh 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) | 7.9 | 10.6 | 17.1 | 23.1 | 28.0 | 29.8 | 32.0 | 31.8 | 28.8 | 22.2 | 16.4 | 14.9 |
| Average daytime temperature (°C) | 0.7 | 2.8 | 12.0 | 15.6 | 20.1 | 22.6 | 24.8 | 25.4 | 21.3 | 16.4 | 11.7 | 7.3 |
| Average temperature (°C) | -4.1 | -2.5 | 6.2 | 9.9 | 13.9 | 16.7 | 19.2 | 19.1 | 15.0 | 10.5 | 5.8 | 1.5 |
| Average night temperature (°C) | -7.7 | -7.9 | 0.3 | 3.8 | 7.5 | 11.2 | 13.7 | 13.3 | 9.9 | 5.2 | 1.3 | -2.7 |
| Absolute minimum temperature (°C) | -12.8 | -21.3 | -7.6 | -5.7 | -0.6 | 7.6 | 10.8 | 8.5 | 4.5 | 2.3 | -3.7 | -6.1 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 8.5 | 9.0 | 10.7 | 11.2 | 11.6 | 12.1 | 12.1 | 10.8 | 9.2 | 8.7 | 7.6 |
| Precipitation (mm) | 9 | 37 | 47 | 25 | 56 | 32 | 11 | 14 | 10 | 77 | 26 | 17 |
| Sunny days | 22 | 14 | 13 | 14 | 10 | 12 | 12 | 14 | 15 | 11 | 16 | 25 |
| Rainy days | 0 | 4 | 17 | 15 | 21 | 18 | 19 | 17 | 15 | 20 | 13 | 4 |
| Snow days | 9 | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Sīāh Darreh is at