Average annual temperature is 13.8 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -9.7 °C
Number of sunny days: 244 days
Number of rainy days: 112 days
Number of snow days: 9 days
Look at detailed online map of Kāstān
* Weather data for Kāstān 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) | 9.8 | 13.6 | 20.4 | 29.0 | 31.5 | 31.2 | 36.9 | 35.3 | 31.3 | 25.2 | 20.7 | 16.2 |
| Average daytime temperature (°C) | 3.1 | 6.5 | 16.0 | 18.9 | 22.6 | 25.9 | 29.6 | 28.7 | 23.3 | 19.4 | 15.8 | 10.4 |
| Average temperature (°C) | -0.5 | 2.9 | 11.2 | 13.7 | 17.4 | 20.8 | 23.9 | 23.5 | 18.6 | 14.9 | 11.5 | 6.3 |
| Average night temperature (°C) | -3.5 | -0.9 | 6.4 | 8.0 | 11.7 | 15.3 | 18.4 | 18.6 | 14.1 | 10.3 | 7.5 | 2.6 |
| Absolute minimum temperature (°C) | -9.7 | -6.5 | 2.1 | -1.6 | 4.6 | 12.7 | 15.2 | 13.1 | 10.5 | 4.1 | 2.4 | -2.7 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 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) | 7.6 | 7.0 | 8.7 | 9.9 | 10.5 | 11.7 | 12.5 | 12.1 | 11.3 | 9.3 | 8.4 | 7.1 |
| Precipitation (mm) | 9 | 36 | 74 | 32 | 72 | 86 | 7 | 40 | 3 | 41 | 16 | 15 |
| Sunny days | 25 | 15 | 12 | 16 | 16 | 21 | 22 | 26 | 24 | 21 | 22 | 24 |
| Rainy days | 2 | 9 | 19 | 14 | 15 | 9 | 9 | 5 | 6 | 10 | 8 | 6 |
| Snow days | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Kāstān during the most sunny months:
The largest precipitation sum in Kāstān is at