July Weather in Herrin, United States

Last updated: June 24, 2025

In July, the average temperature in Herrin, United States hovers around 27°C (81°F). Expect a pleasant range, with minimums dipping to 17°C (62°F) and maximums soaring up to 37°C (99°F). You'll also experience 92 mm (3.6 in) of precipitation spread across about 11 days, contributing to an average humidity of 79%. Be prepared for a warm, humid month!

July Temperature in Herrin

In July in Herrin, the average temperature is 27°C (81°F), with a maximum that can reach 37°C (99°F) and a minimum that can drop to 17°C (62°F). This makes it an ideal time for travelers looking to enjoy warm weather while still having the option for cooler evenings.

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

The chart illustrates July 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, July typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 17°C (62°F).

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

July Precipitation in Herrin

In Herrin in July, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

July Precipitation Trends in Herrin

The chart displays monthly precipitation patterns in Herrin, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Herrin, July typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Herrin

In Herrin in July, humidity is 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

July Average Humidity in Herrin

This chart illustrates the average monthly humidity levels in Herrin, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Herrin is approximately 79%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Herrin

In Herrin in July, 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 Herrin.

Maximum UV Index Levels in Herrin for July

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

Data source: Herrin July 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 July 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 July’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 July’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