January Weather in Heris, Iran

Last updated: August 23, 2025

In Heris, Iran, the average temperature in January hovers around -6°C (22°F). Expect chilly conditions where temperatures can dip as low as -27°C (-16°F) and occasionally reach a milder 13°C (56°F). Be prepared for some precipitation, with an average of 31 mm (1.2 in) spread across 6 days. The air tends to be quite humid, with an average humidity of 77%.

January Temperature in Heris

In January in Heris, the average temperature is -6°C (22°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -27°C (-16°F). It's advisable to bundle up and prepare for chilly weather if you're planning to travel during this time.

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

The chart illustrates January 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, January typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (56°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Heris

In Heris in January, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

January Precipitation Trends in Heris

The chart displays monthly precipitation patterns in Heris, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Heris, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Heris

In Heris in January, humidity is 77%. With an average temperature of -6°C (22°F), this humidity feels like an icy blanket wrapping around you, making it challenging for traveling as every breath intensifies the chill and can leave you feeling damp and uncomfortable.

January Average Humidity in Heris

This chart illustrates the average monthly humidity levels in Heris, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Heris is approximately 77%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Heris

In Heris in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Heris for better planning.

Maximum UV Index Levels in Heris for January

The chart shows the monthly maximum UV Index (UVI) for Heris in January, 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 January, the maximum UV index in Heris typically reaches 4, which falls under the moderate exposure category.

Data source: Heris January 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 January 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 January’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 January’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