August Weather in Greenville, United States

Last updated: June 24, 2025

The average temperature in Greenville, United States during August is a pleasant 21°C (70°F). Expect temperatures to vary between a minimum of 6°C (43°F) and a maximum of 35°C (95°F). While enjoying the climate, be prepared for precipitation of about 8 mm (0.3 in) over the course of 2 days and a comfortable average humidity of 42%.

August Temperature in Greenville

In August in Greenville, the average temperature is 21°C (70°F). Maximums can reach 35°C (95°F) and minimums can be as low as 6°C (43°F). This range makes it an ideal time for travelers seeking a variety of outdoor experiences, from warm afternoons to cooler evenings.

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

The chart illustrates August temperature patterns in Greenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenville, August typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).

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

August Precipitation in Greenville

In Greenville in August, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

August Precipitation Trends in Greenville

The chart displays monthly precipitation patterns in Greenville, 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 Greenville, August typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 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 Greenville

In Greenville in August humidity is 42%. With an average temperature of 21°C (70°F), this humidity feels like a comfortable embrace, perfect for exploring the sights without feeling overly sticky or weighed down, making it an ideal time for traveling.

August Average Humidity in Greenville

This chart illustrates the average monthly humidity levels in Greenville, 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 Greenville is approximately 42%, 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 Greenville

In Greenville in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Greenville.

Maximum UV Index Levels in Greenville for August

The chart shows the monthly maximum UV Index (UVI) for Greenville 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 Greenville typically reaches 11, which falls under the extreme exposure category.

Data source: Greenville 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 Greenville Compares to Other Months

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

This table compares monthly weather conditions in Greenville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	162 mm (6.4 inches)	86%	moderate
February Weather	0°C (32°F)	176 mm (6.9 inches)	87%	moderate
March Weather	2°C (35°F)	143 mm (5.6 inches)	86%	very high
April Weather	6°C (43°F)	73 mm (2.9 inches)	83%	very high
May Weather	11°C (53°F)	58 mm (2.3 inches)	72%	extreme
June Weather	17°C (64°F)	16 mm (0.6 inches)	67%	extreme
July Weather	22°C (72°F)	6 mm (0.2 inches)	56%	extreme
August Weather	21°C (70°F)	8 mm (0.3 inches)	42%	extreme
September Weather	16°C (62°F)	19 mm (0.7 inches)	46%	very high
October Weather	9°C (49°F)	42 mm (1.6 inches)	67%	high
November Weather	4°C (39°F)	79 mm (3.1 inches)	86%	moderate
December Weather	-1°C (30°F)	131 mm (5.2 inches)	86%	moderate