Average annual temperature is 16.0 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 250 days
Number of rainy days: 102 days
Number of snow days: 13 days
Look at detailed online map of Helān
* Weather data for Helān 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) | 13.9 | 20.4 | 25.2 | 31.0 | 32.7 | 36.8 | 39.1 | 39.0 | 37.2 | 29.8 | 26.5 | 21.4 |
| Average daytime temperature (°C) | 8.0 | 11.3 | 19.6 | 23.9 | 25.1 | 29.8 | 32.0 | 34.1 | 26.3 | 24.2 | 20.9 | 15.4 |
| Average temperature (°C) | 2.1 | 4.8 | 12.5 | 16.1 | 18.7 | 23.8 | 26.0 | 27.4 | 20.7 | 16.9 | 13.4 | 8.3 |
| Average night temperature (°C) | -2.1 | -0.9 | 6.5 | 9.6 | 12.6 | 18.0 | 20.6 | 21.5 | 16.4 | 10.9 | 6.6 | 2.8 |
| Absolute minimum temperature (°C) | -4.8 | -4.9 | 2.2 | 2.3 | 5.9 | 14.7 | 17.8 | 16.9 | 13.3 | 8.0 | -1.8 | -2.8 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.8 | 8.4 | 8.6 | 10.3 | 10.8 | 12.7 | 11.4 | 11.6 | 8.2 | 9.2 | 7.9 | 7.3 |
| Precipitation (mm) | 17 | 7 | 67 | 27 | 79 | 15 | 7 | 14 | 15 | 29 | 6 | 17 |
| Sunny days | 22 | 18 | 17 | 18 | 16 | 23 | 26 | 27 | 16 | 20 | 23 | 24 |
| Rainy days | 5 | 3 | 14 | 12 | 15 | 7 | 5 | 4 | 14 | 11 | 7 | 5 |
| Snow days | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Helān during the most sunny months:
The largest precipitation sum in Helān is at