Average annual temperature is 8.3 °C
Absolute maximum temperature: 27.3 °C
Absolute minimum temperature: -14.9 °C
Number of sunny days: 139 days
Number of rainy days: 197 days
Number of snow days: 29 days
Look at detailed online map of Bīlī
* Weather data for Bīlī 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) | 8.2 | 8.7 | 16.0 | 19.5 | 23.8 | 26.2 | 27.3 | 24.4 | 25.8 | 20.7 | 16.4 | 13.7 |
| Average daytime temperature (°C) | -1.3 | 0.1 | 9.8 | 13.9 | 16.0 | 18.0 | 18.8 | 21.3 | 16.0 | 14.9 | 12.1 | 7.0 |
| Average temperature (°C) | -4.8 | -3.5 | 5.4 | 9.0 | 11.5 | 14.4 | 15.9 | 17.5 | 12.7 | 10.3 | 7.6 | 2.8 |
| Average night temperature (°C) | -7.9 | -7.4 | 1.3 | 3.6 | 6.6 | 10.3 | 12.7 | 13.6 | 9.9 | 6.2 | 3.8 | -1.0 |
| Absolute minimum temperature (°C) | -13.0 | -14.9 | -4.1 | -10.4 | -1.9 | 6.4 | 9.3 | 10.5 | 6.6 | 3.4 | -1.1 | -9.1 |
| 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) | 5.7 | 7.8 | 7.8 | 10.6 | 10.0 | 10.5 | 9.0 | 10.6 | 6.5 | 8.5 | 7.8 | 7.1 |
| Precipitation (mm) | 47 | 32 | 140 | 65 | 199 | 92 | 78 | 65 | 110 | 78 | 58 | 65 |
| Sunny days | 17 | 15 | 11 | 11 | 3 | 5 | 12 | 18 | 3 | 10 | 18 | 16 |
| Rainy days | 2 | 0 | 19 | 17 | 28 | 25 | 19 | 13 | 27 | 21 | 11 | 15 |
| Snow days | 12 | 13 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The largest precipitation sum in Bīlī is at