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Karaj Weather in April
April in Karaj averages 17°C (63°F) during the day and 7°C (45°F) at night. Around 53 mm (2.1 in) of rainfall is typical for this time of year.
Rainfall in Karaj in April
This month experiences about 12 days of rain according to historical data, averaging 53 mm (2.1 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Karaj in April
In April, Karaj sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Karaj in April
Expect sunny days throughout the month, with an estimated 220 hours of sunshine. This makes it a pleasant time to visit Karaj.If your ideal day consists of dry skies and pleasant temperatures, May, September and October typically offer the best circumstances for Karaj.
Karaj Temperature in April
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
39%
Precipitation
53 mm (2.1 in)
Rainy days
12 days
Humidity
49%
Sunshine
220 hours
Percentage Sunshine
Karaj Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Karaj - and find the best time to visit.
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in Karaj typically rise from around 19°C (66°F) at the start of April to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°F).
Average temperatures in April
Daily Historical Precipitation
42-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather records for Karaj in April
Browse day-by-day weather records for Karaj spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Karaj historical weather extremes in April
According to our 22 years of weather records for Karaj, the following extremes were recorded between 2004 and 2026.
- The hottest April day on record in Karaj reached 34°C (93°F) (April 26, 2008).
- Karaj experienced its chilliest April day on April 9, 2020, reaching only 5°C (41°F).
- The lowest overnight temperature recorded in April was -3°C (27°F) (April 1, 2014).
Best Places in Iran in April
Find out more about the weather in Iran and which places have the best travel conditions in this month. See all of Iran in April →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Karaj in April
Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Karaj in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Karaj 3-Day Forecast
More climate data for Karaj
Temperature Rainfall Sunshine Humidity
See the full Karaj climate overview or explore weather in Iran.
Popular in April
Where to go in April - average daytime high across popular destinations.
Bandar Abbas
33°C (91°F) Yazd
26°C (79°F) Isfahan25°C (77°F) Maḩmūdābād24°C (75°F) Shiraz23°C (73°F) Tehran19°C (66°F) Hamadān17°C (63°F) Karaj17°C (63°F) Bucket list
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