Average annual temperature is 14.7 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -16.7 °C
Number of sunny days: 288 days
Number of rainy days: 68 days
Number of snow days: 9 days
Look at detailed online map of Chelvān
* Weather data for Chelvān 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) | 8.3 | 13.0 | 21.1 | 24.0 | 32.1 | 37.5 | 36.9 | 36.6 | 34.2 | 28.6 | 20.2 | 17.4 |
| Average daytime temperature (°C) | 1.7 | 5.1 | 15.7 | 20.5 | 26.8 | 33.1 | 35.7 | 32.6 | 30.4 | 24.3 | 16.7 | 13.2 |
| Average temperature (°C) | -3.2 | -0.8 | 8.6 | 13.6 | 19.7 | 25.7 | 28.9 | 26.7 | 23.7 | 17.2 | 9.8 | 5.7 |
| Average night temperature (°C) | -8.0 | -6.2 | 1.5 | 5.2 | 11.2 | 17.0 | 20.3 | 19.0 | 16.0 | 9.3 | 2.7 | -0.9 |
| Absolute minimum temperature (°C) | -16.7 | -14.3 | -1.8 | -3.1 | 4.8 | 13.3 | 15.8 | 14.0 | 12.0 | 5.0 | -2.5 | -3.6 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.9 | 8.5 | 9.5 | 10.9 | 12.2 | 12.9 | 12.4 | 11.7 | 10.9 | 9.9 | 8.8 | 8.5 |
| Precipitation (mm) | 63 | 98 | 22 | 28 | 3 | 6 | 0 | 0 | 0 | 8 | 31 | 11 |
| Sunny days | 20 | 17 | 17 | 20 | 25 | 28 | 31 | 29 | 29 | 23 | 22 | 27 |
| Rainy days | 3 | 10 | 14 | 10 | 6 | 2 | 0 | 2 | 1 | 8 | 8 | 4 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chelvān during the most sunny months:
The largest precipitation sum in Chelvān is at