Average annual temperature is 12.1 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -19.0 °C
Number of sunny days: 269 days
Number of rainy days: 83 days
Number of snow days: 13 days
Look at detailed online map of Īstī Bolāgh
* Weather data for Īstī Bolāgh 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) | 5.7 | 9.0 | 17.7 | 23.0 | 28.2 | 34.8 | 37.9 | 37.0 | 34.0 | 24.7 | 18.9 | 14.8 |
| Average daytime temperature (°C) | -0.4 | 0.6 | 13.4 | 18.0 | 22.9 | 29.5 | 34.2 | 33.2 | 29.3 | 21.2 | 14.8 | 10.4 |
| Average temperature (°C) | -4.7 | -4.8 | 6.9 | 10.7 | 15.5 | 21.5 | 26.2 | 25.4 | 21.0 | 13.9 | 8.0 | 3.8 |
| Average night temperature (°C) | -8.7 | -10.5 | 1.1 | 3.3 | 7.8 | 13.1 | 17.5 | 17.0 | 13.0 | 7.3 | 2.2 | -1.4 |
| Absolute minimum temperature (°C) | -18.1 | -19.0 | -3.4 | -4.0 | 1.2 | 9.3 | 14.7 | 13.6 | 9.5 | 4.1 | -3.9 | -4.6 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 8.8 | 8.6 | 10.5 | 11.8 | 12.9 | 12.7 | 11.8 | 11.2 | 9.5 | 8.1 | 7.8 |
| Precipitation (mm) | 63 | 21 | 102 | 31 | 42 | 20 | 0 | 0 | 0 | 6 | 20 | 21 |
| Sunny days | 20 | 20 | 12 | 17 | 15 | 25 | 31 | 30 | 29 | 24 | 23 | 23 |
| Rainy days | 3 | 4 | 19 | 12 | 16 | 5 | 0 | 1 | 1 | 7 | 7 | 8 |
| Snow days | 8 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Īstī Bolāgh during the most sunny months:
The largest precipitation sum in Īstī Bolāgh is at