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October Weather in Hartsville, United States

Last updated: June 24, 2025

In Hartsville, United States, the average temperature in October hovers around 20°C (69°F), providing a comfortable climate. However, temperatures can vary significantly, with a minimum dipping to 2°C (36°F) and peaks soaring to 37°C (100°F). Expect about 59 mm (2.3 in) of precipitation spread over 9 days, and enjoy the lush atmosphere created by an average humidity of 79%.

October Temperature in Hartsville

In October in Hartsville, the average temperature is 20°C (69°F). Maximums can reach 37°C (100°F), and minimums can be as low as 2°C (36°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates October 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, October typically has an average temperature of 20°C (69°F), with highs reaching up to 37°C (100°F) and lows dropping to around 2°C (36°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.

October Precipitation in Hartsville

In Hartsville in October, the precipitation amount is 59 mm (2.3 in) over the course of 9 days.

October Precipitation Trends in Hartsville

The chart displays monthly precipitation patterns in Hartsville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Hartsville, October typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec819971951101251291261515969141
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hartsville

In Hartsville in October humidity is 79%. With an average temperature of 20°C (69°F), this humidity feels like a warm, steamy embrace, making travel slightly uncomfortable as the air feels heavy and sticky, often leaving you yearning for a cool breeze or air conditioning to escape the dampness.

October Average Humidity in Hartsville

This chart illustrates the average monthly humidity levels in Hartsville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Hartsville is approximately 79%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Hartsville

In Hartsville in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Hartsville.

Maximum UV Index Levels in Hartsville for October

The chart shows the monthly maximum UV Index (UVI) for Hartsville in October, 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 October, the maximum UV index in Hartsville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Hartsville October 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 October 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 October’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 October’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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