Average annual temperature is 5.9 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -25.9 °C
Number of sunny days: 222 days
Number of rainy days: 103 days
Number of snow days: 40 days
Look at detailed online map of Heshterāk
* Weather data for Heshterāk 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) | 5.5 | 9.6 | 10.6 | 13.5 | 18.5 | 25.2 | 28.9 | 29.7 | 27.0 | 16.8 | 13.2 | 7.7 |
| Average daytime temperature (°C) | 0.4 | -3.9 | 5.9 | 8.7 | 14.5 | 21.0 | 25.4 | 26.1 | 21.1 | 13.4 | 6.9 | 1.7 |
| Average temperature (°C) | -5.5 | -9.5 | 0.2 | 2.9 | 8.3 | 14.6 | 18.4 | 19.2 | 14.0 | 6.9 | 1.8 | -2.0 |
| Average night temperature (°C) | -9.3 | -15.2 | -4.5 | -2.3 | 2.5 | 7.9 | 10.9 | 12.0 | 7.6 | 1.6 | -2.7 | -5.5 |
| Absolute minimum temperature (°C) | -14.1 | -25.9 | -10.0 | -11.5 | -4.8 | 5.7 | 7.7 | 7.8 | 3.9 | -1.9 | -14.0 | -12.4 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 8.3 | 8.9 | 9.0 | 10.4 | 12.0 | 13.4 | 13.5 | 12.2 | 11.4 | 9.9 | 8.3 | 7.5 |
| Precipitation (mm) | 5 | 22 | 71 | 84 | 47 | 16 | 5 | 1 | 7 | 17 | 36 | 37 |
| Sunny days | 25 | 19 | 13 | 12 | 11 | 16 | 20 | 26 | 20 | 18 | 21 | 21 |
| Rainy days | 0 | 0 | 7 | 14 | 18 | 14 | 11 | 5 | 10 | 13 | 8 | 3 |
| Snow days | 6 | 9 | 11 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The best time to visit Heshterāk during the most sunny months:
The largest precipitation sum in Heshterāk is at