August Weather in Carterville, United States

Last updated: June 24, 2025

In Carterville, United States, the average temperature in August is a warm 26°C (78°F), creating a pleasant atmosphere for outdoor activities. Daily temperatures can vary, with minimums dipping to 14°C (58°F) and rising to a maximum of 36°C (97°F). Expect 110 mm (4.3 in) of precipitation spread over 12 days, contributing to an average humidity of 68%, adding a touch of tropical feel to the air.

August Temperature in Carterville

In August in Carterville, the average temperature is 26°C (78°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 14°C (58°F). This makes Carterville an ideal destination for travelers looking to enjoy warm weather with pleasant, cool evenings.

August Weather in Carterville: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Carterville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carterville, August typically has an average temperature of 26°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).

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

August Precipitation in Carterville

In Carterville in August, the precipitation amount is 110 mm (4.3 in) over a span of 12 days.

August Precipitation Trends in Carterville

The chart displays monthly precipitation patterns in Carterville, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Carterville, August typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Carterville

In Carterville in August, humidity is 68%. With an average temperature of 26°C (78°F), this humidity feels like a warm, sticky embrace, making outdoor activities challenging but the lush greenery inviting.

August Average Humidity in Carterville

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

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

August UV Index in Carterville

In Carterville in August, 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 Carterville.

Maximum UV Index Levels in Carterville for August

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

Data source: Carterville August 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 August Weather in Carterville Compares to Other Months

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

This table compares monthly weather conditions in Carterville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	74 mm (2.9 inches)	81%	moderate
February Weather	3°C (38°F)	64 mm (2.5 inches)	78%	high
March Weather	10°C (51°F)	136 mm (5.4 inches)	76%	high
April Weather	14°C (57°F)	131 mm (5.2 inches)	78%	very high
May Weather	20°C (68°F)	186 mm (7.3 inches)	83%	very high
June Weather	25°C (78°F)	87 mm (3.4 inches)	83%	extreme
July Weather	27°C (81°F)	93 mm (3.7 inches)	78%	extreme
August Weather	26°C (78°F)	110 mm (4.3 inches)	68%	very high
September Weather	23°C (74°F)	80 mm (3.2 inches)	64%	very high
October Weather	15°C (60°F)	129 mm (5.1 inches)	70%	high
November Weather	9°C (48°F)	54 mm (2.1 inches)	83%	moderate
December Weather	6°C (42°F)	46 mm (1.8 inches)	87%	moderate