March Weather in Herrin, United States

Last updated: June 24, 2025

In March, the average temperature in Herrin, United States hovers around 10°C (49°F), with a broad range of -13°C (9°F) at its coldest and peaks of 26°C (79°F). Expect some precipitation, totaling 141 mm (5.6 in) over approximately 13 days. The atmosphere is quite humid, with an average humidity level of 84%.

March Temperature in Herrin

In March in Herrin, the average temperature is 10°C (49°F). Maximums can reach 26°C (79°F) and minimums can be as low as -13°C (9°F). Regardless of the temperature variations, be prepared for a diverse weather experience when traveling to Herrin during this time.

March Weather in Herrin: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Herrin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herrin, March typically has an average temperature of 10°C (49°F), with highs reaching up to 26°C (79°F) and lows dropping to around -13°C (9°F).

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

March Precipitation in Herrin

In Herrin in March, the precipitation amount is 141 mm (5.6 in) spread over 13 days.

March Precipitation Trends in Herrin

The chart displays monthly precipitation patterns in Herrin, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Herrin, March typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Herrin

In Herrin in March, humidity is 84%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

March Average Humidity in Herrin

This chart illustrates the average monthly humidity levels in Herrin, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Herrin is approximately 84%, offering insight into how humid the weather typically is during this month.

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

March UV Index in Herrin

In Herrin in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Herrin.

Maximum UV Index Levels in Herrin for March

The chart shows the monthly maximum UV Index (UVI) for Herrin in March, 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 March, the maximum UV index in Herrin typically reaches 7, which falls under the high exposure category.

Data source: Herrin March 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 March Weather in Herrin Compares to Other Months

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

This table compares monthly weather conditions in Herrin, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	98 mm (3.9 inches)	86%	moderate
February Weather	4°C (39°F)	118 mm (4.7 inches)	84%	moderate
March Weather	10°C (49°F)	141 mm (5.6 inches)	84%	high
April Weather	14°C (57°F)	142 mm (5.6 inches)	80%	very high
May Weather	20°C (69°F)	138 mm (5.4 inches)	82%	extreme
June Weather	25°C (77°F)	108 mm (4.2 inches)	83%	extreme
July Weather	27°C (81°F)	92 mm (3.6 inches)	79%	very high
August Weather	25°C (78°F)	81 mm (3.2 inches)	76%	very high
September Weather	23°C (74°F)	74 mm (2.9 inches)	75%	very high
October Weather	16°C (61°F)	114 mm (4.5 inches)	74%	high
November Weather	8°C (46°F)	94 mm (3.7 inches)	85%	moderate
December Weather	5°C (42°F)	88 mm (3.4 inches)	88%	moderate