Average annual temperature is 13.4 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 267 days
Number of rainy days: 82 days
Number of snow days: 16 days
Look at detailed online map of Ḩeyrān
* Weather data for Ḩeyrān 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) | 4.7 | 11.1 | 17.0 | 22.7 | 28.1 | 34.7 | 36.8 | 36.4 | 33.2 | 23.8 | 17.5 | 14.0 |
| Average daytime temperature (°C) | 0.5 | 2.7 | 12.4 | 17.9 | 23.2 | 29.8 | 34.0 | 32.3 | 28.8 | 20.3 | 13.6 | 10.0 |
| Average temperature (°C) | -2.9 | -1.2 | 7.4 | 11.9 | 16.7 | 23.1 | 27.3 | 26.0 | 22.1 | 14.9 | 9.2 | 5.9 |
| Average night temperature (°C) | -6.5 | -5.4 | 2.5 | 5.2 | 9.7 | 15.9 | 20.1 | 18.9 | 15.7 | 9.7 | 4.5 | 1.3 |
| Absolute minimum temperature (°C) | -13.5 | -12.3 | -0.4 | -4.1 | 2.6 | 10.2 | 17.6 | 14.8 | 11.5 | 6.4 | -4.9 | -2.5 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 9.2 | 8.7 | 10.9 | 12.0 | 12.9 | 12.4 | 11.4 | 11.1 | 9.4 | 8.3 | 7.9 |
| Precipitation (mm) | 31 | 27 | 64 | 33 | 37 | 14 | 0 | 0 | 0 | 16 | 27 | 11 |
| Sunny days | 19 | 19 | 12 | 16 | 18 | 23 | 31 | 30 | 30 | 23 | 23 | 23 |
| Rainy days | 3 | 4 | 19 | 13 | 13 | 7 | 0 | 1 | 0 | 8 | 7 | 7 |
| Snow days | 9 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Ḩeyrān during the most sunny months:
The largest precipitation sum in Ḩeyrān is at