Average annual temperature is 9.5 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: -19.7 °C
Number of sunny days: 213 days
Number of rainy days: 116 days
Number of snow days: 36 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) | 1.0 | 2.7 | 12.0 | 18.0 | 26.8 | 29.0 | 31.1 | 30.8 | 28.9 | 19.9 | 14.1 | 11.5 |
| Average daytime temperature (°C) | -3.0 | -2.9 | 7.5 | 13.1 | 19.0 | 25.3 | 28.7 | 27.0 | 23.2 | 15.4 | 9.9 | 6.5 |
| Average temperature (°C) | -7.7 | -7.2 | 3.3 | 8.5 | 13.6 | 20.1 | 23.5 | 22.0 | 18.5 | 11.0 | 5.4 | 1.8 |
| Average night temperature (°C) | -12.9 | -12.3 | -1.3 | 2.9 | 7.3 | 13.2 | 16.7 | 16.0 | 12.6 | 6.3 | 0.8 | -2.6 |
| Absolute minimum temperature (°C) | -18.8 | -19.7 | -8.1 | -5.5 | 0.1 | 10.6 | 13.7 | 13.6 | 7.6 | 3.9 | -9.1 | -8.4 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.4 | 8.9 | 8.3 | 11.0 | 12.1 | 12.6 | 12.9 | 12.4 | 11.2 | 9.8 | 8.8 | 7.8 |
| Precipitation (mm) | 51 | 36 | 118 | 73 | 57 | 24 | 2 | 8 | 1 | 76 | 34 | 26 |
| Sunny days | 16 | 17 | 12 | 5 | 12 | 19 | 23 | 23 | 27 | 18 | 19 | 22 |
| Rainy days | 2 | 0 | 18 | 24 | 19 | 11 | 8 | 8 | 3 | 13 | 10 | 0 |
| Snow days | 13 | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 |
The best time to visit Karaj during the most sunny months:
The largest precipitation sum in Karaj is at