August Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the average temperature in August hovers around 26°C (79°F), making it a warm destination. During this month, temperatures can dip to a cooler 17°C (63°F), while soaring as high as a sizzling 36°C (97°F). Expect some rain, with an average precipitation of 127 mm (5.0 in) spread over 16 days, and prepare for a rather humid experience, as the average humidity reaches 81%.

August Temperature in Greenville

In August in Greenville, the average temperature is 26°C (79°F), with maximums reaching 36°C (97°F) and minimums dipping to as low as 17°C (63°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 17°C (63°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 127 mm (5.0 in), distributed over 16 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 127 mm (5.0 inches) of precipitation spread over approximately 16 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 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

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 81%, 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	9°C (48°F)	107 mm (4.2 inches)	86%	moderate
February Weather	12°C (54°F)	128 mm (5.0 inches)	84%	high
March Weather	14°C (58°F)	99 mm (3.9 inches)	83%	very high
April Weather	17°C (64°F)	107 mm (4.2 inches)	81%	very high
May Weather	22°C (72°F)	99 mm (3.9 inches)	81%	extreme
June Weather	25°C (77°F)	117 mm (4.6 inches)	81%	extreme
July Weather	26°C (80°F)	107 mm (4.2 inches)	83%	extreme
August Weather	26°C (79°F)	127 mm (5.0 inches)	81%	extreme
September Weather	24°C (76°F)	104 mm (4.1 inches)	82%	very high
October Weather	20°C (68°F)	106 mm (4.2 inches)	78%	very high
November Weather	12°C (54°F)	78 mm (3.1 inches)	86%	high
December Weather	10°C (50°F)	131 mm (5.2 inches)	89%	moderate