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August Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the average temperature in August hovers around 26°C (78°F), with a range that can dip to a cool 14°C (58°F) and soar to a sweltering 37°C (99°F). Expect about 102 mm (4.0 in) of precipitation spread over 12 days, contributing to the area's average humidity of 74%. Whether you're seeking sunshine or a refreshing rainfall, this month offers a bit of everything!

August Temperature in Greenville

In August in Greenville, the average temperature is 26°C (78°F). The maximum can reach 37°C (99°F) and the minimum can be as low as 14°C (58°F). Be prepared for warm days and cool evenings, making it an ideal time for both sightseeing and 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 (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec374250586977807873624743
Data source: Temperature data for Greenville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Greenville

In Greenville in August, the total precipitation amount is 102 mm (4.0 in), occurring over a span of 12 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 102 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec921501231511201271081029910985109
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Greenville

In Greenville in August, humidity is 74%. With an average temperature of 26°C (78°F), this humidity feels like a warm, enveloping blanket that can make traveling feel slightly stifling; it’s important to stay hydrated and take breaks in shaded areas to fully enjoy your adventures.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
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.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)91 mm (3.6 inches)87%moderate
February Weather5°C (42°F)150 mm (5.9 inches)86%high
March Weather10°C (51°F)123 mm (4.8 inches)86%high
April Weather14°C (58°F)151 mm (5.9 inches)82%very high
May Weather21°C (70°F)120 mm (4.7 inches)82%very high
June Weather25°C (77°F)127 mm (5.0 inches)83%extreme
July Weather27°C (81°F)108 mm (4.3 inches)80%very high
August Weather26°C (78°F)102 mm (4.0 inches)74%very high
September Weather23°C (74°F)99 mm (3.9 inches)71%very high
October Weather17°C (62°F)109 mm (4.3 inches)78%high
November Weather8°C (47°F)85 mm (3.3 inches)88%moderate
December Weather6°C (43°F)108 mm (4.3 inches)88%moderate

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