Average annual temperature is 16.7 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 306 days
Number of rainy days: 52 days
Number of snow days: 7 days
Look at detailed online map of Bīstjān
* Weather data for Bīstjān 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) | 11.4 | 16.1 | 22.8 | 26.0 | 33.9 | 39.3 | 39.8 | 38.2 | 35.7 | 30.6 | 21.3 | 17.4 |
| Average daytime temperature (°C) | 3.8 | 10.2 | 18.0 | 22.7 | 28.9 | 35.2 | 37.4 | 34.2 | 31.9 | 25.7 | 17.7 | 13.8 |
| Average temperature (°C) | -1.0 | 3.7 | 10.9 | 16.1 | 22.0 | 27.9 | 30.5 | 28.0 | 25.2 | 18.6 | 11.2 | 6.8 |
| Average night temperature (°C) | -6.0 | -1.7 | 3.4 | 7.9 | 14.1 | 19.6 | 21.8 | 19.9 | 17.0 | 11.0 | 4.1 | -0.1 |
| Absolute minimum temperature (°C) | -14.5 | -6.7 | -0.9 | -1.0 | 8.2 | 15.6 | 18.5 | 16.2 | 12.4 | 6.4 | -0.8 | -2.6 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 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 | 8.4 | 9.5 | 10.8 | 11.9 | 12.8 | 12.3 | 11.8 | 10.9 | 9.9 | 8.9 | 8.6 |
| Precipitation (mm) | 54 | 87 | 12 | 5 | 3 | 6 | 0 | 0 | 0 | 6 | 18 | 9 |
| Sunny days | 21 | 15 | 21 | 24 | 29 | 28 | 31 | 30 | 30 | 28 | 22 | 27 |
| Rainy days | 4 | 12 | 10 | 6 | 2 | 2 | 0 | 1 | 0 | 3 | 8 | 4 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bīstjān is at