Average annual temperature is 10.8 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 215 days
Number of rainy days: 129 days
Number of snow days: 21 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) | 8.5 | 11.7 | 16.0 | 22.7 | 26.3 | 31.8 | 35.4 | 34.8 | 32.8 | 23.0 | 19.7 | 13.8 |
| Average daytime temperature (°C) | 0.5 | 0.7 | 12.5 | 17.0 | 21.4 | 27.6 | 31.0 | 31.3 | 25.8 | 18.9 | 13.8 | 9.1 |
| Average temperature (°C) | -5.2 | -4.4 | 6.6 | 10.5 | 14.6 | 19.9 | 22.5 | 23.3 | 17.8 | 12.1 | 7.7 | 3.5 |
| Average night temperature (°C) | -10.2 | -10.0 | 0.7 | 3.9 | 7.4 | 12.4 | 14.9 | 15.8 | 10.8 | 5.7 | 2.1 | -1.4 |
| Absolute minimum temperature (°C) | -18.7 | -20.5 | -4.2 | -5.8 | 1.8 | 9.2 | 11.2 | 11.6 | 7.0 | 2.8 | -4.2 | -5.4 |
| 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 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 7.6 | 8.7 | 9.0 | 10.7 | 11.5 | 13.4 | 13.2 | 12.0 | 11.3 | 9.6 | 8.1 | 7.1 |
| Precipitation (mm) | 31 | 22 | 70 | 41 | 61 | 26 | 4 | 7 | 3 | 13 | 24 | 40 |
| Sunny days | 24 | 17 | 13 | 14 | 8 | 17 | 21 | 23 | 21 | 18 | 20 | 19 |
| Rainy days | 1 | 0 | 18 | 15 | 23 | 13 | 10 | 8 | 9 | 13 | 9 | 10 |
| Snow days | 6 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Helān during the most sunny months:
The largest precipitation sum in Helān is at