Average annual temperature is 13.9 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 261 days
Number of rainy days: 93 days
Number of snow days: 11 days
Look at detailed online map of Bīlān
* Weather data for Bīlān 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) | 7.3 | 11.9 | 17.1 | 24.5 | 28.8 | 34.7 | 38.3 | 37.9 | 35.0 | 25.3 | 20.6 | 14.6 |
| Average daytime temperature (°C) | 4.0 | 5.5 | 14.3 | 18.6 | 23.4 | 29.6 | 33.8 | 34.1 | 28.5 | 21.1 | 15.6 | 9.2 |
| Average temperature (°C) | -1.0 | 0.3 | 8.8 | 12.6 | 17.4 | 23.6 | 27.3 | 27.4 | 21.8 | 14.4 | 9.2 | 3.6 |
| Average night temperature (°C) | -4.4 | -4.5 | 3.2 | 6.8 | 11.1 | 17.1 | 20.6 | 20.6 | 15.5 | 8.6 | 3.8 | -1.0 |
| Absolute minimum temperature (°C) | -6.5 | -8.2 | -2.1 | -1.8 | 5.5 | 13.4 | 18.3 | 17.7 | 12.9 | 6.1 | -2.2 | -5.4 |
| 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 | 14.0 | 12.0 | 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) | 7.6 | 9.1 | 9.3 | 10.8 | 11.3 | 13.4 | 13.1 | 12.1 | 11.4 | 9.8 | 8.4 | 7.3 |
| Precipitation (mm) | 13 | 25 | 54 | 37 | 32 | 15 | 0 | 2 | 0 | 6 | 14 | 18 |
| Sunny days | 23 | 19 | 15 | 19 | 13 | 23 | 30 | 27 | 28 | 24 | 19 | 21 |
| Rainy days | 3 | 5 | 16 | 10 | 18 | 7 | 1 | 4 | 2 | 7 | 11 | 9 |
| Snow days | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Bīlān during the most sunny months:
The largest precipitation sum in Bīlān is at