April Weather in Semnan, Iran

Last updated: August 23, 2025

In Semnan, Iran, the average temperature in April is a pleasant 17°C (63°F), with a minimum dipping to 1°C (35°F) and soaring to a maximum of 30°C (86°F). Expect a sprinkle of rain with 17 mm (0.7 in) of precipitation over 4 days. The average humidity sits comfortably at 57%, creating a balanced climate for all your adventures!

April Temperature in Semnan

In April in Semnan, the average temperature is 17°C (63°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 1°C (35°F). Travelers should be prepared for a wide range of temperatures, so dressing in layers is recommended.

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

The chart illustrates April temperature patterns in Semnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semnan, April typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 1°C (35°F).

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

April Precipitation in Semnan

In Semnan in April, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

April Precipitation Trends in Semnan

The chart displays monthly precipitation patterns in Semnan, 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 Semnan, April typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 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 Semnan

In Semnan in April, humidity is 57%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing yet slightly damp embrace, making it comfortable for traveling while inviting you to explore the serene surroundings without the sweltering heat.

April Average Humidity in Semnan

This chart illustrates the average monthly humidity levels in Semnan, 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 Semnan is approximately 57%, 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 Semnan

In Semnan in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Semnan.

Maximum UV Index Levels in Semnan for April

The chart shows the monthly maximum UV Index (UVI) for Semnan 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 Semnan typically reaches 10, which falls under the very high exposure category.

Data source: Semnan 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 Semnan Compares to Other Months

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

This table compares monthly weather conditions in Semnan, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	11 mm (0.4 inches)	63%	moderate
February Weather	6°C (44°F)	21 mm (0.8 inches)	62%	moderate
March Weather	12°C (53°F)	21 mm (0.8 inches)	63%	very high
April Weather	17°C (63°F)	17 mm (0.7 inches)	57%	very high
May Weather	22°C (72°F)	12 mm (0.5 inches)	57%	extreme
June Weather	29°C (84°F)	1 mm (0.0 inches)	47%	extreme
July Weather	31°C (88°F)	0 mm (0.0 inches)	34%	extreme
August Weather	29°C (84°F)	1 mm (0.0 inches)	28%	extreme
September Weather	25°C (77°F)	2 mm (0.1 inches)	33%	very high
October Weather	17°C (63°F)	8 mm (0.3 inches)	51%	high
November Weather	10°C (50°F)	19 mm (0.8 inches)	66%	moderate
December Weather	6°C (43°F)	11 mm (0.4 inches)	65%	moderate