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August Weather in Hartsville, United States

Last updated: June 24, 2025

In August, the average temperature in Hartsville, United States hovers around 27°C (81°F). Expect a wide range, with minimums dipping to 17°C (62°F) and peaks reaching as high as 38°C (101°F). Additionally, be prepared for some drizzle, as 125 mm (4.9 in) of precipitation can occur over 17 days. With an average humidity of 74%, you may want to keep cool and hydrated!

August Temperature in Hartsville

In August in Hartsville, the average temperature is 27°C (81°F). Maximums can reach 38°C (101°F), while minimums can drop to as low as 17°C (62°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor adventures.

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

The chart illustrates August temperature patterns in Hartsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartsville, August typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (101°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec475357657378818177685450
Data source: Temperature data for Hartsville 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 Hartsville

In Hartsville in August, the precipitation amount is 125 mm (4.9 in) spread over 17 days.

August Precipitation Trends in Hartsville

The chart displays monthly precipitation patterns in Hartsville, 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 Hartsville, August typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec819971951101251291261515969141
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hartsville

In Hartsville in August humidity is 74%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket, making traveling feel both sticky and draining, yet the heat invites you to seek out refreshing dips in pools or shady spots to relax.

August Average Humidity in Hartsville

This chart illustrates the average monthly humidity levels in Hartsville, 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 Hartsville is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hartsville

In Hartsville 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 Hartsville.

Maximum UV Index Levels in Hartsville for August

The chart shows the monthly maximum UV Index (UVI) for Hartsville 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 Hartsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Hartsville 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 Hartsville Compares to Other Months

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

This table compares monthly weather conditions in Hartsville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)81 mm (3.2 inches)86%moderate
February Weather12°C (53°F)99 mm (3.9 inches)85%high
March Weather14°C (57°F)70 mm (2.8 inches)84%very high
April Weather18°C (65°F)95 mm (3.7 inches)82%very high
May Weather23°C (73°F)110 mm (4.3 inches)83%extreme
June Weather26°C (78°F)125 mm (4.9 inches)82%extreme
July Weather27°C (82°F)128 mm (5.1 inches)80%extreme
August Weather27°C (81°F)125 mm (4.9 inches)74%very high
September Weather25°C (77°F)151 mm (5.9 inches)75%very high
October Weather20°C (69°F)59 mm (2.3 inches)79%very high
November Weather12°C (55°F)69 mm (2.7 inches)87%high
December Weather10°C (50°F)141 mm (5.6 inches)87%moderate

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