Average annual temperature is 15.8 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 284 days
Number of rainy days: 77 days
Number of snow days: 4 days
Look at detailed online map of Kalāteh-ye Ḩeydar
* Weather data for Kalāteh-ye Ḩeydar 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) | 9.2 | 15.2 | 23.3 | 30.7 | 33.1 | 37.8 | 38.8 | 35.6 | 35.4 | 28.8 | 20.7 | 14.6 |
| Average daytime temperature (°C) | 3.8 | 8.4 | 18.0 | 23.4 | 27.2 | 33.3 | 34.1 | 32.1 | 28.0 | 22.3 | 16.5 | 10.9 |
| Average temperature (°C) | -0.5 | 3.7 | 12.5 | 17.2 | 21.0 | 26.9 | 27.6 | 25.4 | 20.3 | 16.3 | 11.8 | 6.5 |
| Average night temperature (°C) | -4.7 | -0.8 | 7.1 | 10.3 | 14.5 | 20.2 | 21.0 | 18.8 | 13.5 | 10.3 | 7.0 | 2.0 |
| Absolute minimum temperature (°C) | -14.7 | -6.3 | 4.0 | 2.3 | 6.8 | 16.3 | 18.3 | 12.1 | 7.8 | 6.2 | 0.4 | -3.1 |
| 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) | 7.7 | 7.3 | 9.1 | 11.1 | 11.1 | 12.1 | 12.6 | 12.0 | 11.4 | 9.6 | 8.8 | 7.7 |
| Precipitation (mm) | 13 | 51 | 56 | 3 | 34 | 2 | 0 | 0 | 0 | 14 | 25 | 7 |
| Sunny days | 23 | 14 | 15 | 23 | 17 | 26 | 31 | 30 | 30 | 25 | 24 | 26 |
| Rainy days | 5 | 13 | 16 | 7 | 14 | 4 | 0 | 1 | 0 | 6 | 6 | 5 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kalāteh-ye Ḩeydar is at