Average annual temperature is 12.5 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 261 days
Number of rainy days: 85 days
Number of snow days: 19 days
Look at detailed online map of Bīāj
* Weather data for Bīāj 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) | 6.9 | 12.2 | 16.5 | 20.3 | 26.5 | 33.0 | 36.9 | 36.0 | 33.7 | 24.0 | 17.9 | 12.3 |
| Average daytime temperature (°C) | 1.3 | 3.2 | 12.1 | 16.5 | 21.7 | 29.0 | 33.8 | 32.8 | 29.1 | 20.5 | 13.4 | 9.2 |
| Average temperature (°C) | -3.7 | -2.0 | 6.9 | 10.3 | 15.2 | 21.4 | 26.3 | 25.5 | 21.6 | 14.5 | 8.4 | 4.9 |
| Average night temperature (°C) | -8.1 | -7.4 | 2.3 | 3.9 | 8.2 | 13.2 | 18.0 | 17.6 | 14.2 | 8.9 | 4.3 | 0.9 |
| Absolute minimum temperature (°C) | -14.3 | -16.6 | -3.4 | -5.2 | 0.9 | 9.5 | 15.1 | 13.9 | 10.3 | 5.7 | -2.1 | -3.2 |
| 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 | 14.2 | 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) | 6.8 | 8.9 | 7.9 | 10.9 | 11.9 | 13.2 | 13.0 | 11.9 | 11.3 | 9.4 | 8.2 | 7.3 |
| Precipitation (mm) | 59 | 52 | 129 | 49 | 24 | 1 | 0 | 0 | 0 | 14 | 29 | 42 |
| Sunny days | 18 | 15 | 11 | 16 | 18 | 29 | 31 | 31 | 30 | 21 | 20 | 21 |
| Rainy days | 5 | 4 | 20 | 13 | 13 | 1 | 0 | 0 | 0 | 10 | 10 | 9 |
| Snow days | 8 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Bīāj during the most sunny months:
The largest precipitation sum in Bīāj is at