Average annual temperature is 13.7 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 118 days
Number of rainy days: 226 days
Number of snow days: 21 days
Look at detailed online map of Darreh Būlākh
* Weather data for Darreh Būlākh 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) | 14.5 | 15.3 | 22.7 | 24.2 | 27.2 | 26.6 | 29.0 | 30.2 | 28.3 | 24.6 | 22.7 | 19.9 |
| Average daytime temperature (°C) | 4.4 | 5.8 | 14.6 | 17.1 | 19.2 | 22.2 | 23.7 | 25.8 | 19.7 | 18.2 | 16.8 | 12.2 |
| Average temperature (°C) | 1.9 | 3.0 | 11.0 | 13.6 | 16.4 | 19.6 | 21.3 | 22.6 | 17.5 | 15.1 | 13.0 | 8.6 |
| Average night temperature (°C) | -0.8 | -1.2 | 7.1 | 9.3 | 13.0 | 16.4 | 18.3 | 19.0 | 15.0 | 12.0 | 9.6 | 5.4 |
| Absolute minimum temperature (°C) | -3.5 | -7.8 | 1.5 | 0.6 | 7.3 | 13.3 | 15.6 | 16.2 | 12.1 | 8.8 | 3.2 | -2.2 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 5.8 | 7.7 | 7.8 | 10.3 | 9.7 | 11.8 | 10.3 | 11.0 | 7.5 | 8.3 | 7.4 | 7.0 |
| Precipitation (mm) | 116 | 84 | 122 | 83 | 251 | 113 | 82 | 89 | 221 | 218 | 136 | 117 |
| Sunny days | 13 | 14 | 11 | 5 | 1 | 7 | 13 | 16 | 4 | 8 | 10 | 16 |
| Rainy days | 7 | 5 | 20 | 25 | 30 | 23 | 18 | 15 | 26 | 23 | 20 | 14 |
| Snow days | 11 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Darreh Būlākh during the most sunny months:
The largest precipitation sum in Darreh Būlākh is at