Average annual temperature is 27.7 °C
Absolute maximum temperature: 46.6 °C
Absolute minimum temperature: 1.4 °C
Number of sunny days: 320 days
Number of rainy days: 45 days
Look at detailed online map of Karaj
* Weather data for Karaj 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) | 22.1 | 31.0 | 33.4 | 37.0 | 44.2 | 46.6 | 46.6 | 46.4 | 45.0 | 43.3 | 33.6 | 26.9 |
| Average daytime temperature (°C) | 16.7 | 26.6 | 29.9 | 33.8 | 40.3 | 44.1 | 44.2 | 43.8 | 41.3 | 36.3 | 27.5 | 24.4 |
| Average temperature (°C) | 11.7 | 19.7 | 23.5 | 27.3 | 33.4 | 36.9 | 37.2 | 37.1 | 34.2 | 29.8 | 22.3 | 19.0 |
| Average night temperature (°C) | 7.2 | 13.4 | 17.3 | 20.6 | 26.0 | 30.1 | 30.7 | 30.1 | 27.4 | 23.4 | 17.0 | 13.0 |
| Absolute minimum temperature (°C) | 1.4 | 8.5 | 14.6 | 14.4 | 22.3 | 26.6 | 27.8 | 26.6 | 23.5 | 19.2 | 13.7 | 10.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.2 | 9.7 | 10.2 | 11.5 | 11.4 | 11.7 | 11.7 | 11.4 | 11.1 | 10.1 | 9.1 | 9.4 |
| Precipitation (mm) | 58 | 4 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 18 | 0 |
| Sunny days | 20 | 24 | 25 | 27 | 30 | 30 | 29 | 30 | 29 | 28 | 19 | 29 |
| Rainy days | 11 | 4 | 6 | 3 | 1 | 0 | 2 | 1 | 1 | 3 | 11 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Karaj is at