Average annual temperature is 19.1 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 241 days
Number of rainy days: 123 days
Number of snow days: 1 day
Look at detailed online map of Rostam Kalā
* Weather data for Rostam Kalā 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) | 18.0 | 23.1 | 30.3 | 32.8 | 35.8 | 38.1 | 40.4 | 40.5 | 38.1 | 32.0 | 29.9 | 24.4 |
| Average daytime temperature (°C) | 10.4 | 13.6 | 19.6 | 23.4 | 26.5 | 31.6 | 34.1 | 36.1 | 30.7 | 25.0 | 22.9 | 16.8 |
| Average temperature (°C) | 6.4 | 8.7 | 14.8 | 18.2 | 21.5 | 25.9 | 28.2 | 29.7 | 24.9 | 20.3 | 17.8 | 12.1 |
| Average night temperature (°C) | 2.1 | 3.9 | 10.1 | 13.1 | 16.6 | 21.2 | 23.3 | 24.3 | 19.9 | 15.9 | 13.0 | 7.9 |
| Absolute minimum temperature (°C) | -2.5 | -0.4 | 5.8 | 5.3 | 9.9 | 18.3 | 21.0 | 21.7 | 16.4 | 11.5 | 7.6 | 2.4 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.9 | 7.0 | 7.6 | 9.3 | 9.5 | 10.6 | 11.0 | 11.1 | 9.9 | 8.6 | 8.4 | 7.2 |
| Precipitation (mm) | 6 | 39 | 61 | 26 | 70 | 18 | 15 | 24 | 40 | 120 | 85 | 34 |
| Sunny days | 23 | 20 | 19 | 21 | 16 | 19 | 17 | 21 | 23 | 17 | 23 | 22 |
| Rainy days | 7 | 8 | 12 | 9 | 15 | 11 | 14 | 10 | 7 | 14 | 7 | 9 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rostam Kalā is at