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August Weather in Rock Hill, United States

Last updated: June 24, 2025

In August, the average temperature in Rock Hill, United States hovers around 21°C (70°F). Visitors can expect a minimum of 8°C (47°F) and a maximum of 32°C (90°F) during this month. With precipitation totaling 136 mm (5.4 in) spread over 12 days, it's wise to carry an umbrella. Furthermore, the average humidity sits at a comfortable 65%, adding to the region's charm.

August Temperature in Rock Hill

In August, in Rock Hill, the average temperature is 21°C (70°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 8°C (47°F). Travelers should be prepared for warm days and cooler nights, making it an ideal time for outdoor activities and exploration.

August Weather in Rock Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Rock Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Hill, August typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec273035465866727064543932
Data source: Temperature data for Rock Hill 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 Rock Hill

In Rock Hill in August, the total precipitation amount reaches 136 mm (5.4 in) over the course of 12 days.

August Precipitation Trends in Rock Hill

The chart displays monthly precipitation patterns in Rock Hill, 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 Rock Hill, August typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec88115101143150125141136103164110126
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rock Hill

In Rock Hill in August humidity is 65%. With an average temperature of 21°C (70°F), this humidity feels quite sticky and can make outdoor activities feel a bit tiring; it's best to stay hydrated and take breaks in the shade while exploring.

August Average Humidity in Rock Hill

This chart illustrates the average monthly humidity levels in Rock Hill, 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 Rock Hill is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Rock Hill

In Rock Hill in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rock Hill.

Maximum UV Index Levels in Rock Hill for August

The chart shows the monthly maximum UV Index (UVI) for Rock Hill 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 Rock Hill typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Rock Hill 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 Rock Hill Compares to Other Months

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

This table compares monthly weather conditions in Rock Hill, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)88 mm (3.5 inches)84%moderate
February Weather-1°C (30°F)115 mm (4.5 inches)82%moderate
March Weather2°C (36°F)101 mm (4.0 inches)81%high
April Weather8°C (47°F)143 mm (5.6 inches)78%very high
May Weather14°C (58°F)150 mm (5.9 inches)69%very high
June Weather19°C (66°F)124 mm (4.9 inches)69%very high
July Weather22°C (72°F)141 mm (5.6 inches)62%very high
August Weather21°C (70°F)136 mm (5.4 inches)65%very high
September Weather18°C (64°F)103 mm (4.0 inches)68%very high
October Weather12°C (54°F)164 mm (6.4 inches)74%high
November Weather4°C (39°F)110 mm (4.3 inches)82%moderate
December Weather0°C (32°F)126 mm (4.9 inches)80%low

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