Karaj weather and climate in 2024
Day
9 °C
Night
-1 °C
Sea
15 °C
Precipitation
36 mm
in month
Rainy days
7 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
66 %
Day
9 °C
Night
-1 °C
Sea
15 °C
Precipitation
36 mm
in month
Rainy days
7 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
66 %
Overview: Karaj
Weather charts for Karaj
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Weather overview for Karaj
Weather overview
Karaj is a city known for its varied climate due to its geographic location in Iran. Throughout the year, temperatures can range significantly, with cold winters and sweltering summers. The peak temperatures are often reached in July, soaring to an average high of 34 °C (94 °F), whereas the coldest nights occur in January, dipping to an average low of -3 °C (27 °F). Precipitation is considerably lower during the mid-year months, with July being the driest, averaging a mere 5 mm (0.19 in) of rainfall. Throughout the year, relative humidity varies, hitting lows of around 32 % in summer to highs approaching 69 % in the colder months.
January weather
January in Karaj greets residents with chilly nights and crisp days. The average nighttime temperature hovers around -3 °C (27 °F), while daytime can bring a cool 7 °C (44 °F). The city experiences 8 days wet days this month, with average precipitation reaching 34 mm (1.32 in).
February weather
As Karaj moves through February, the chill begins to relent slightly with average daytime temperatures increasing to 9 °C (48 °F). Nighttime remains cool at an average of -1 °C (29 °F). Wet days tally up to 7 days, and rainfall amounts to an average of 35 mm (1.40 in).
March weather
The arrival of March in Karaj welcomes a pleasant transition with daytime temperatures reaching a milder 14 °C (56 °F), and nights warming up to an average of 2 °C (36 °F). The city typically has 8 days of wet days and receives about 45 mm (1.76 in) of rainfall.
April weather
With the advent of April, Karaj's spring is in full swing, displaying abundant sunshine and an average daytime high of 20 °C (69 °F). Nights are fresher but pleasant, averaging 8 °C (46 °F). There are about 8 days of wet days, and the rainfall measures around 37 mm (1.46 in).
May weather
May in Karaj sees a significant warm-up with average daytime highs of 26 °C (78 °F), creating the perfect weather for outdoor excursions. Nighttime temperatures now average 11 °C (53 °F). The city experiences fewer rainy days, only 5 days, and the rainfall decreases to approximately 21 mm (0.82 in).
June weather
June ushers in the summer season in Karaj with the temperature soaring to an average high of 32 °C (89 °F) during the day. At night, the average low settles at 16 °C (62 °F). The number of wet days plummets to 2 days, and rainfall is a sparse 6 mm (0.23 in).
July weather
July represents the peak of summer in Karaj with blistering average daytime highs of 34 °C (94 °F). Nighttime offers little reprieve from the heat, maintaining an average of 20 °C (67 °F). The month is characterized by scarcity in precipitation, with only 2 days seeing rain and 5 mm (0.19 in) of total rainfall.
August weather
Karaj continues to experience baking heat in August with an average daytime temperature peaking at 34 °C (92 °F). Nights are still quite warm, averaging 19 °C (66 °F). Rainfall remains low, with an average of 2 days experiencing wet conditions and a minimal 4 mm (0.16 in) of rainfall.
September weather
As the summer begins to wind down in September, Karaj sees a slight drop in temperatures with an average high of 30 °C (85 °F) during the day and a cooler average low of 15 °C (59 °F) at night. Wet days come in at about 3 days, while rainfall is somewhat more noticeable, with an average of 6 mm (0.25 in).
October weather
October in Karaj is a month of transition with daytime highs still pleasant at 23 °C (74 °F) and cooler nights averaging 10 °C (50 °F). There is an increase in wet days, rising to 6 days, and precipitation gathers at 24 mm (0.93 in).
November weather
The cool air of November brings daytime temperatures in Karaj down to an average of 16 °C (60 °F), with nighttime lows averaging 5 °C (40 °F). The city sees 8 days of wet days and accumulates an average of 34 mm (1.33 in) of rainfall.
December weather
December ushers in the onset of winter in Karaj, with cold days averaging 9 °C (48 °F) and even colder nights around -1 °C (31 °F). Wet days in the city increase slightly to 7 days, while the rainfall across the month tallies to 36 mm (1.40 in).
FAQs
How cold does it get at night in Karaj in January?
In January, the nights in Karaj can get quite cold with temperatures averaging -3 °C (27 °F), so it's essential to have warm bedding and heating.
Will I need a heavy coat during the day in Karaj in February?
While the days are getting warmer in February in Karaj, with an average temperature of 9 °C (48 °F), a heavy coat may still be advisable for the cooler mornings and evenings.
Is March in Karaj warm enough for light clothing during the day?
March signals the onset of milder weather in Karaj, with daytime temperatures at a comfortable 14 °C (56 °F), suitable for light to medium layers.
Is April in Karaj warm enough to enjoy outdoor activities?
April in Karaj is quite favorable for outdoor activities, with warmer temperatures reaching an average high of 20 °C (69 °F) during the day.
How hot does Karaj get in May?
Karaj heats up in May, with average daytime temperatures reaching a warm 26 °C (78 °F). It's the beginning of the time when you might want to switch to summer attire.
Does Karaj experience intense heat in June?
June in Karaj sees intense heat during the day with temperatures averaging a hot 32 °C (89 °F), indicating the onset of the peak summer season.
How should one prepare for daytime temperatures in Karaj in July?
Preparing for July in Karaj involves adopting summer survival tactics: light clothing, sun hats, and staying hydrated are key for coping with scorching average daytime temperatures of 34 °C (94 °F).
What is the typical temperature range in Karaj during August?
August in Karaj is characterized by hot daytime temperatures averaging 34 °C (92 °F) and warm nights at 19 °C (66 °F), with only a slight respite from the July heat.
Are temperatures in Karaj in September still high?
While September in Karaj indicates the end of summer, temperatures remain relatively high with daytime averages of 30 °C (85 °F), still pleasant for those looking to enjoy the warmth.
What kind of weather can I expect in Karaj during October?
Expect a mild autumn with comfortable daytime temperatures averaging 23 °C (74 °F) in Karaj during October, making it an enjoyable time for outdoor activities.
What are the typical day and night temperatures in Karaj in November?
In November, Karaj sees a drop in temperatures with an average daytime high of 16 °C (60 °F) and chillier nights at around 5 °C (40 °F), signifying the approach of winter.
How cold is Karaj in December?
December in Karaj brings the winter chill, with daytime temperatures averaging 9 °C (48 °F) and nighttime lows dipping just below freezing at an average of -1 °C (31 °F).
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.