Average annual temperature is 18.1 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 299 days
Number of rainy days: 62 days
Number of snow days: 4 days
Look at detailed online map of Kūh Bīrīn
* Weather data for Kūh Bīrīn 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) | 11.7 | 16.9 | 22.2 | 25.6 | 33.1 | 38.6 | 38.8 | 36.1 | 34.7 | 30.8 | 21.6 | 17.7 |
| Average daytime temperature (°C) | 5.6 | 11.9 | 17.3 | 22.3 | 28.0 | 34.6 | 36.8 | 33.2 | 31.4 | 24.9 | 17.3 | 13.9 |
| Average temperature (°C) | 1.9 | 7.2 | 12.1 | 17.0 | 22.7 | 29.0 | 30.9 | 27.7 | 25.6 | 19.9 | 12.9 | 9.3 |
| Average night temperature (°C) | -1.7 | 3.1 | 6.9 | 11.1 | 16.2 | 22.4 | 24.2 | 21.3 | 19.4 | 14.6 | 8.5 | 4.7 |
| Absolute minimum temperature (°C) | -7.2 | -4.2 | 2.7 | 4.8 | 10.4 | 16.5 | 21.0 | 15.5 | 13.9 | 11.0 | 4.1 | 0.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 8.0 | 10.1 | 11.0 | 11.7 | 12.6 | 12.3 | 11.9 | 10.9 | 10.1 | 9.0 | 8.7 |
| Precipitation (mm) | 61 | 36 | 24 | 4 | 5 | 0 | 0 | 0 | 0 | 3 | 9 | 5 |
| Sunny days | 17 | 15 | 20 | 24 | 25 | 29 | 31 | 31 | 30 | 28 | 21 | 28 |
| Rainy days | 10 | 13 | 11 | 6 | 6 | 1 | 0 | 0 | 0 | 3 | 9 | 3 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kūh Bīrīn is at