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October Weather in Greenville, United States

Last updated: June 24, 2025

In October, the average temperature in Greenville, United States hovers around 14°C (57°F), with fluctuations ranging from a chilly -2°C (29°F) to a warm 33°C (91°F). Prepare for the possibility of rain, as 98 mm (3.9 in) of precipitation is expected over 12 days. Don’t forget to account for the average humidity of 78%, which can make the air feel quite muggy!

October Temperature in Greenville

In October in Greenville, the average temperature is 14°C (57°F), with maximums reaching 33°C (91°F) and minimums plummeting to as low as -2°C (29°F). It's advisable to pack layers to accommodate the wide temperature range while enjoying your travels.

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

The chart illustrates October 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, October typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342516372757368574135
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.

October Precipitation in Greenville

In Greenville in October, the precipitation amount is 98 mm (3.9 in) over the course of 12 days.

October Precipitation Trends in Greenville

The chart displays monthly precipitation patterns in Greenville, 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 Greenville, October typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec749711410114112710710088989282
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Greenville

In Greenville in October, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

October Average Humidity in Greenville

This chart illustrates the average monthly humidity levels in Greenville, 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 Greenville is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Greenville

In Greenville in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Greenville, you can refer to this Hourly UV Index in Greenville.

Maximum UV Index Levels in Greenville for October

The chart shows the monthly maximum UV Index (UVI) for Greenville 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 Greenville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Greenville 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 Greenville Compares to Other Months

Weather in Greenville varies notably across the year, with each month offering distinct climate conditions. This page compares October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)74 mm (2.9 inches)88%moderate
February Weather0°C (33°F)97 mm (3.8 inches)88%moderate
March Weather5°C (42°F)114 mm (4.5 inches)87%high
April Weather11°C (51°F)101 mm (4.0 inches)85%very high
May Weather17°C (64°F)141 mm (5.6 inches)81%very high
June Weather22°C (72°F)127 mm (5.0 inches)82%extreme
July Weather24°C (76°F)107 mm (4.2 inches)81%very high
August Weather23°C (73°F)100 mm (3.9 inches)73%very high
September Weather20°C (69°F)88 mm (3.5 inches)73%very high
October Weather14°C (57°F)98 mm (3.9 inches)78%high
November Weather5°C (41°F)92 mm (3.6 inches)89%moderate
December Weather2°C (36°F)82 mm (3.2 inches)87%moderate

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