Average annual temperature is 15.1 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 274 days
Number of rainy days: 80 days
Number of snow days: 11 days
Look at detailed online map of Bayān
* Weather data for Bayān 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) | 6.5 | 14.2 | 17.6 | 23.0 | 29.0 | 35.7 | 39.8 | 39.3 | 35.2 | 26.3 | 20.7 | 16.9 |
| Average daytime temperature (°C) | 3.9 | 6.6 | 13.9 | 18.5 | 24.1 | 31.3 | 36.3 | 34.8 | 31.3 | 23.1 | 16.0 | 12.7 |
| Average temperature (°C) | -1.0 | 1.7 | 8.3 | 12.6 | 17.8 | 24.8 | 29.2 | 28.0 | 24.2 | 16.8 | 10.4 | 7.4 |
| Average night temperature (°C) | -5.9 | -3.0 | 2.8 | 5.9 | 10.6 | 17.3 | 21.1 | 20.0 | 16.5 | 10.6 | 4.7 | 2.7 |
| Absolute minimum temperature (°C) | -13.0 | -8.4 | -3.1 | -2.5 | 4.0 | 12.2 | 18.1 | 16.1 | 11.9 | 6.1 | -1.9 | -1.5 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 8.7 | 8.3 | 10.9 | 12.2 | 13.1 | 12.6 | 11.7 | 11.2 | 9.6 | 8.2 | 7.6 |
| Precipitation (mm) | 42 | 34 | 93 | 45 | 16 | 0 | 0 | 0 | 0 | 10 | 19 | 13 |
| Sunny days | 18 | 17 | 13 | 22 | 19 | 28 | 31 | 31 | 30 | 21 | 21 | 23 |
| Rainy days | 7 | 6 | 18 | 8 | 12 | 2 | 0 | 0 | 0 | 10 | 9 | 8 |
| Snow days | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bayān during the most sunny months:
The largest precipitation sum in Bayān is at