Average annual temperature is 11.6 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 248 days
Number of rainy days: 99 days
Number of snow days: 18 days
Look at detailed online map of Chāyān
* Weather data for Chāyān 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 | 8.8 | 16.8 | 22.2 | 26.7 | 34.1 | 36.3 | 35.7 | 33.2 | 24.0 | 17.4 | 12.7 |
| Average daytime temperature (°C) | -0.7 | -0.1 | 12.3 | 17.1 | 22.3 | 28.6 | 32.7 | 31.9 | 28.1 | 20.1 | 13.6 | 9.2 |
| Average temperature (°C) | -5.3 | -4.8 | 6.3 | 10.0 | 15.0 | 21.0 | 25.8 | 24.9 | 20.7 | 13.4 | 7.3 | 3.2 |
| Average night temperature (°C) | -10.0 | -10.1 | 0.9 | 3.1 | 7.5 | 13.2 | 18.7 | 17.5 | 13.5 | 7.3 | 1.5 | -1.7 |
| Absolute minimum temperature (°C) | -16.6 | -17.1 | -3.2 | -4.6 | 0.5 | 9.3 | 14.8 | 12.7 | 9.4 | 4.4 | -5.1 | -3.4 |
| 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 | 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.4 | 8.9 | 8.4 | 10.7 | 11.9 | 12.8 | 12.7 | 11.6 | 11.1 | 9.3 | 7.9 | 7.7 |
| Precipitation (mm) | 44 | 25 | 98 | 33 | 33 | 10 | 0 | 0 | 0 | 11 | 26 | 20 |
| Sunny days | 17 | 19 | 11 | 12 | 12 | 23 | 30 | 30 | 30 | 20 | 21 | 23 |
| Rainy days | 3 | 3 | 20 | 17 | 19 | 7 | 1 | 1 | 0 | 11 | 9 | 8 |
| Snow days | 11 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chāyān during the most sunny months:
The largest precipitation sum in Chāyān is at