May Weather in Heris, Iran

Last updated: August 23, 2025

In May, the average temperature in Heris, Iran hovers around 14°C (57°F). Expect a comfortable range where temperatures can dip as low as 1°C (34°F) and soar to a balmy 30°C (87°F). This month also brings a modest precipitation amount of 49 mm (1.9 in) across 11 days, contributing to an average humidity of 68%. Plan accordingly to make the most of your time in this vibrant locale!

May Temperature in Heris

In May in Heris, the average temperature is 14°C (57°F). Maximums can reach 30°C (87°F), and minimums can go as low as 1°C (34°F). This makes it an ideal time for travelers to pack layers, allowing for comfort from warm afternoons to cooler evenings.

May Weather in Heris: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Heris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heris, May typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (34°F).

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

May Precipitation in Heris

In Heris in May, the total precipitation amount is 49 mm (1.9 in) spread over 11 days.

May Precipitation Trends in Heris

The chart displays monthly precipitation patterns in Heris, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Heris, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Heris

In Heris in May, humidity is 68%. With an average temperature of 14°C (57°F), this humidity feels like a mild embrace, making travel enjoyable yet occasionally a bit sticky, ideal for leisurely strolls but requiring a light layer for comfort.

May Average Humidity in Heris

This chart illustrates the average monthly humidity levels in Heris, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Heris is approximately 68%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Heris

In Heris in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Heris.

Maximum UV Index Levels in Heris for May

The chart shows the monthly maximum UV Index (UVI) for Heris in May, 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 May, the maximum UV index in Heris typically reaches 12, which falls under the extreme exposure category.

Data source: Heris May 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 May Weather in Heris Compares to Other Months

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

This table compares monthly weather conditions in Heris, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	31 mm (1.2 inches)	77%	moderate
February Weather	-2°C (28°F)	56 mm (2.2 inches)	78%	moderate
March Weather	4°C (39°F)	65 mm (2.6 inches)	76%	very high
April Weather	9°C (48°F)	77 mm (3.0 inches)	69%	very high
May Weather	14°C (57°F)	49 mm (1.9 inches)	68%	extreme
June Weather	20°C (68°F)	15 mm (0.6 inches)	62%	extreme
July Weather	22°C (72°F)	11 mm (0.4 inches)	59%	extreme
August Weather	21°C (70°F)	8 mm (0.3 inches)	46%	extreme
September Weather	18°C (64°F)	9 mm (0.4 inches)	59%	very high
October Weather	11°C (52°F)	32 mm (1.3 inches)	76%	high
November Weather	4°C (39°F)	35 mm (1.4 inches)	78%	moderate
December Weather	-1°C (31°F)	42 mm (1.7 inches)	77%	moderate