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August Weather in Greenville, United States

Last updated: June 24, 2025

In August, the average temperature in Greenville, United States hovers around 29°C (84°F). Visitors can expect a comfortable minimum of 19°C (66°F), while the heat can peak at a sizzling 39°C (103°F). This month sees an average rainfall of 94 mm (3.7 in) over the course of 7 days, accompanied by an average humidity level of 66%.

August Temperature in Greenville

In August in Greenville, the average temperature is 29°C (84°F). Maximum temperatures can reach 39°C (103°F), while minimums can drop to as low as 19°C (66°F). Be prepared for warm and occasionally hot weather during your travels.

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 29°C (84°F), with highs reaching up to 39°C (103°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec464859647380848378675551
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 precipitation amount is 94 mm (3.7 in) over a span of 7 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 94 mm (3.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec811221301891811045894831436086
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 66%. With an average temperature of 29°C (84°F), this humidity feels like a warm and sticky embrace that can make outdoor activities quite uncomfortable, often prompting travelers to seek shade or relief in air-conditioned spaces.

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 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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 Weather8°C (46°F)81 mm (3.2 inches)80%moderate
February Weather9°C (48°F)122 mm (4.8 inches)79%high
March Weather15°C (59°F)130 mm (5.1 inches)78%very high
April Weather18°C (64°F)189 mm (7.4 inches)78%very high
May Weather23°C (73°F)181 mm (7.1 inches)81%extreme
June Weather27°C (81°F)104 mm (4.1 inches)78%extreme
July Weather29°C (84°F)58 mm (2.3 inches)73%extreme
August Weather29°C (84°F)94 mm (3.7 inches)66%extreme
September Weather26°C (79°F)83 mm (3.3 inches)65%very high
October Weather19°C (67°F)143 mm (5.6 inches)72%very high
November Weather13°C (56°F)60 mm (2.3 inches)82%high
December Weather10°C (51°F)85 mm (3.4 inches)87%moderate

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