April Weather in Karaj, Iran

Last updated: August 23, 2025

In Karaj, Iran, the average temperature for April hovers around 14°C (57°F). Be prepared for a temperature range where the minimum can dip to -1°C (31°F) and the maximum may reach up to 29°C (84°F). During this month, expect about 54 mm (2.1 in) of precipitation spread across 9 days, contributing to an average humidity of 62%.

April Temperature in Karaj

In April in Karaj, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -1°C (31°F). This makes it a great time for travelers to experience a diverse range of weather, so pack accordingly to enjoy both warm days and cooler evenings.

April Weather in Karaj: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Karaj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karaj, April typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Karaj generated using information from the Copernicus Climate Change Service.

April Precipitation in Karaj

In Karaj in April, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

April Precipitation Trends in Karaj

The chart displays monthly precipitation patterns in Karaj, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Karaj, April typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Karaj

In Karaj in April humidity is 62%. With an average temperature of 14°C (57°F), this humidity feels like a refreshing embrace, making it a pleasant experience for traveling as the mild climate invites you to explore without feeling too hot or sweaty.

April Average Humidity in Karaj

This chart illustrates the average monthly humidity levels in Karaj, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Karaj is approximately 62%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Karaj

In Karaj in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Karaj.

Maximum UV Index Levels in Karaj for April

The chart shows the monthly maximum UV Index (UVI) for Karaj in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Karaj typically reaches 9, which falls under the very high exposure category.

Data source: Karaj April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Karaj Compares to Other Months

Weather in Karaj varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Karaj, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Karaj, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	34 mm (1.3 inches)	70%	moderate
February Weather	3°C (38°F)	56 mm (2.2 inches)	66%	moderate
March Weather	8°C (47°F)	49 mm (1.9 inches)	68%	very high
April Weather	14°C (57°F)	54 mm (2.1 inches)	62%	very high
May Weather	20°C (68°F)	24 mm (1.0 inches)	64%	extreme
June Weather	27°C (80°F)	4 mm (0.1 inches)	62%	extreme
July Weather	29°C (85°F)	2 mm (0.1 inches)	52%	extreme
August Weather	28°C (82°F)	0 mm (0.0 inches)	40%	very high
September Weather	24°C (75°F)	1 mm (0.0 inches)	45%	very high
October Weather	16°C (61°F)	20 mm (0.8 inches)	61%	high
November Weather	8°C (47°F)	39 mm (1.5 inches)	72%	moderate
December Weather	4°C (39°F)	33 mm (1.3 inches)	70%	moderate