nomadseason

October Weather in Hartsville, United States

Last updated: June 24, 2025

In Hartsville, United States, the average temperature in October hovers around 17°C (63°F). While you can expect balmy days, the temperature may dip as low as 0°C (32°F) and soar up to 37°C (98°F). Be prepared for a rainy spell with 141 mm (5.6 in) of precipitation spread over 10 days. With an average humidity of 78%, it’s wise to stay hydrated and cool during your visit!

October Temperature in Hartsville

In October in Hartsville, the average temperature is 17°C (63°F). The maximum can reach 37°C (98°F), while the minimum can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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 17°C (63°F), with highs reaching up to 37°C (98°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec404452597076807873634845
Data source: Temperature data for Hartsville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Hartsville

In Hartsville in October, the total precipitation amount is 141 mm (5.6 in) over a period of 10 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 141 mm (5.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10618715714511914912211812014288151
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Hartsville

In Hartsville in October, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

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 78%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Hartsville

In Hartsville in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
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 Weather4°C (40°F)106 mm (4.2 inches)87%moderate
February Weather7°C (45°F)187 mm (7.4 inches)86%high
March Weather11°C (52°F)157 mm (6.2 inches)86%high
April Weather15°C (59°F)145 mm (5.7 inches)82%very high
May Weather21°C (70°F)119 mm (4.7 inches)82%very high
June Weather24°C (76°F)149 mm (5.9 inches)83%extreme
July Weather27°C (80°F)122 mm (4.8 inches)80%extreme
August Weather25°C (78°F)118 mm (4.7 inches)74%very high
September Weather23°C (74°F)120 mm (4.7 inches)71%very high
October Weather17°C (63°F)141 mm (5.6 inches)78%high
November Weather9°C (48°F)88 mm (3.5 inches)88%moderate
December Weather7°C (45°F)151 mm (6.0 inches)88%moderate

Compare Hartsville's Climate with Cities Worldwide