ClimateForecastDecemberJanuary >>

Karaj Climate by Month

Karaj experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. The city tends toward drier weather patterns. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Karaj is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a very warm 34°C in July to a chilly 4°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -6°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Karaj maintains relatively dry conditions year-round, recording average annual precipitation of 365 mm. The climate in Karaj shows significant variation throughout the year. Expect moderate rainfall in March, with an average of 59 mm of precipitation over 12 rainy days.

In contrast, August offers drier and sunnier days, with around 4 mm of rainfall over 2 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Karaj serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.4 hours of sunshine daily, and embrace the darker days in December, offering only 5.1 hours of daily sunlight.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Karaj in Iran

During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Karaj have a dry season?
    Yes, the months of June, July, August and September are very dry.
  • Which is the warmest month in Karaj?
    July has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Karaj?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Karaj?
    March tops the wettest month list with 59 mm of rainfall.
  • Which is the driest month in Karaj?
    August is the driest month with 4 mm of precipitation.
  • Which is the sunniest month in Karaj?
    July is the sunniest month with an average of 342 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Karaj

    Fri   Dec 13
    11°C | 3°C
    SE 11 km/h
    2.9 mm
    broken clouds and  chance of rain

    broken clouds and chance of rain

    Sat   Dec 14
    5°C | -6°C
    N 25 km/h
    7.1 mm
    clear and small chance of rain

    clear and small chance of rain

    Sun   Dec 15
    1°C | -8°C
    N 22 km/h
    clear and no rain

    clear and no rain