Average annual temperature is 17.5 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 303 days
Number of rainy days: 58 days
Number of snow days: 4 days
Look at detailed online map of Chāh Shīrīn
* Weather data for Chāh Shīrīn 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) | 11.1 | 18.0 | 26.4 | 33.8 | 36.9 | 39.7 | 41.7 | 41.5 | 38.1 | 30.0 | 23.0 | 16.8 |
| Average daytime temperature (°C) | 6.0 | 11.2 | 21.8 | 26.1 | 30.6 | 34.7 | 36.6 | 35.6 | 31.0 | 24.7 | 18.9 | 12.3 |
| Average temperature (°C) | 0.7 | 5.5 | 15.2 | 18.8 | 23.2 | 27.1 | 29.3 | 28.4 | 23.1 | 18.2 | 13.1 | 7.0 |
| Average night temperature (°C) | -4.3 | 0.1 | 8.2 | 10.8 | 15.2 | 19.8 | 22.1 | 20.8 | 15.9 | 11.8 | 7.4 | 1.9 |
| Absolute minimum temperature (°C) | -13.3 | -6.2 | 3.1 | 1.1 | 6.6 | 17.0 | 19.4 | 14.8 | 10.6 | 5.9 | 2.8 | -2.1 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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) | 8.0 | 8.4 | 9.4 | 10.7 | 11.2 | 12.0 | 12.8 | 12.2 | 11.2 | 9.5 | 8.6 | 8.0 |
| Precipitation (mm) | 9 | 20 | 28 | 10 | 14 | 6 | 0 | 0 | 0 | 16 | 3 | 3 |
| Sunny days | 25 | 18 | 20 | 21 | 22 | 26 | 31 | 31 | 30 | 23 | 26 | 30 |
| Rainy days | 5 | 7 | 11 | 9 | 9 | 4 | 0 | 0 | 0 | 8 | 4 | 1 |
| Snow days | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chāh Shīrīn during the most sunny months:
The largest precipitation sum in Chāh Shīrīn is at