Average annual temperature is 16.5 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 286 days
Number of rainy days: 76 days
Number of snow days: 3 days
Look at detailed online map of Chāh-e Sīāh
* Weather data for Chāh-e Sīāh 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) | 12.2 | 20.8 | 22.8 | 26.4 | 31.5 | 37.7 | 38.3 | 34.2 | 35.0 | 29.7 | 21.3 | 15.6 |
| Average daytime temperature (°C) | 4.6 | 13.0 | 18.1 | 22.9 | 27.7 | 33.3 | 32.3 | 30.6 | 28.9 | 24.3 | 16.3 | 13.6 |
| Average temperature (°C) | 0.7 | 8.3 | 13.2 | 17.3 | 21.6 | 26.6 | 25.7 | 23.7 | 21.1 | 18.6 | 11.6 | 8.7 |
| Average night temperature (°C) | -3.5 | 3.5 | 7.6 | 11.1 | 14.7 | 19.2 | 18.8 | 16.6 | 14.1 | 12.5 | 7.4 | 4.4 |
| Absolute minimum temperature (°C) | -11.9 | -5.4 | 2.2 | 2.4 | 8.6 | 14.6 | 15.5 | 10.7 | 6.9 | 7.1 | 4.1 | -1.8 |
| 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 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| 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) | 8.0 | 8.3 | 10.1 | 11.4 | 11.1 | 11.4 | 12.6 | 11.9 | 11.4 | 10.3 | 8.9 | 8.9 |
| Precipitation (mm) | 26 | 17 | 20 | 6 | 9 | 0 | 0 | 0 | 0 | 8 | 21 | 1 |
| Sunny days | 23 | 13 | 13 | 25 | 23 | 27 | 31 | 31 | 30 | 21 | 21 | 28 |
| Rainy days | 5 | 15 | 18 | 5 | 8 | 3 | 0 | 0 | 0 | 10 | 9 | 3 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chāh-e Sīāh is at