Average annual temperature is 12.6 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -15.9 °C
Number of sunny days: 269 days
Number of rainy days: 81 days
Number of snow days: 15 days
Look at detailed online map of Būlān
* Weather data for Būlān 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 | 13.7 | 17.8 | 21.2 | 26.8 | 32.7 | 38.0 | 36.9 | 34.2 | 24.6 | 18.5 | 13.9 |
| Average daytime temperature (°C) | 1.5 | 5.2 | 12.7 | 16.8 | 21.6 | 28.9 | 34.1 | 33.8 | 29.8 | 21.1 | 13.9 | 9.9 |
| Average temperature (°C) | -3.8 | -0.8 | 7.2 | 10.3 | 15.2 | 21.5 | 26.4 | 26.1 | 22.0 | 14.4 | 8.0 | 4.2 |
| Average night temperature (°C) | -8.2 | -6.5 | 1.7 | 3.5 | 7.6 | 12.9 | 17.5 | 17.9 | 13.8 | 7.7 | 2.4 | -0.5 |
| Absolute minimum temperature (°C) | -15.9 | -13.0 | -3.9 | -5.5 | 0.6 | 9.2 | 15.2 | 14.6 | 10.1 | 4.0 | -5.4 | -3.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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) | 6.7 | 8.5 | 8.2 | 11.2 | 12.1 | 13.3 | 13.0 | 11.9 | 11.4 | 9.5 | 8.1 | 7.2 |
| Precipitation (mm) | 60 | 19 | 123 | 91 | 34 | 0 | 0 | 0 | 0 | 14 | 40 | 56 |
| Sunny days | 18 | 19 | 11 | 16 | 21 | 28 | 31 | 31 | 29 | 24 | 20 | 21 |
| Rainy days | 3 | 4 | 20 | 14 | 10 | 2 | 0 | 0 | 1 | 7 | 10 | 10 |
| Snow days | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Būlān during the most sunny months:
The largest precipitation sum in Būlān is at