Average annual temperature is 16.3 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 280 days
Number of rainy days: 74 days
Number of snow days: 11 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) | 8.9 | 15.5 | 22.7 | 27.6 | 35.0 | 36.9 | 38.6 | 38.5 | 36.6 | 27.1 | 21.3 | 16.0 |
| Average daytime temperature (°C) | 5.3 | 8.2 | 16.9 | 22.4 | 27.8 | 33.2 | 36.2 | 34.7 | 30.5 | 23.1 | 17.3 | 12.6 |
| Average temperature (°C) | 0.2 | 2.4 | 11.2 | 16.1 | 21.2 | 25.8 | 29.2 | 28.4 | 23.6 | 17.2 | 11.7 | 7.4 |
| Average night temperature (°C) | -3.6 | -2.9 | 5.2 | 9.3 | 13.8 | 18.0 | 21.7 | 21.3 | 17.1 | 11.5 | 6.8 | 2.8 |
| Absolute minimum temperature (°C) | -7.7 | -8.6 | 0.7 | 0.1 | 5.2 | 13.7 | 18.2 | 17.3 | 12.9 | 7.9 | 0.2 | -1.9 |
| 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 | 14.5 | 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) | 7.2 | 9.0 | 8.4 | 10.7 | 12.0 | 12.6 | 12.8 | 12.1 | 11.1 | 9.8 | 8.6 | 7.9 |
| Precipitation (mm) | 53 | 35 | 111 | 33 | 18 | 8 | 0 | 0 | 0 | 20 | 19 | 13 |
| Sunny days | 20 | 17 | 14 | 21 | 18 | 25 | 31 | 30 | 30 | 24 | 24 | 26 |
| Rainy days | 4 | 7 | 17 | 9 | 13 | 5 | 0 | 1 | 0 | 7 | 6 | 5 |
| Snow days | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Karaj during the most sunny months:
The largest precipitation sum in Karaj is at