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October Weather in Greenville, United States

Last updated: June 24, 2025

In October, the average temperature in Greenville, United States is a mild 15°C (59°F). However, be prepared for variability; temperatures can dip as low as -4°C (26°F) or soar to a sizzling 33°C (92°F). During this month, expect about 107 mm (4.2 in) of precipitation over approximately 10 days, contributing to an average humidity of 79%, making it a rather humid time of year.

October Temperature in Greenville

In October in Greenville, the average temperature is 15°C (59°F). Maximums can reach up to 33°C (92°F), while minimums can drop as low as -4°C (26°F). It's a great time to explore Greenville, but be sure to pack for both warm days and chilly nights.

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 15°C (59°F), with highs reaching up to 33°C (92°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec313546546776797672594338
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 107 mm (4.2 in) accumulated over a period of 10 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 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec798113314316111098113611077963
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 79%. With an average temperature of 15°C (59°F), this humidity feels like a muggy embrace that clings to your skin, making outdoor activities somewhat uncomfortable. Travelers may find themselves frequently seeking shelter or refreshing drinks to combat the warm, damp air, as the moisture in the atmosphere feels particularly heavy, especially during longer excursions.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111199643
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 Weather0°C (32°F)79 mm (3.1 inches)84%moderate
February Weather1°C (35°F)81 mm (3.2 inches)82%moderate
March Weather8°C (46°F)133 mm (5.2 inches)84%high
April Weather12°C (55°F)143 mm (5.6 inches)83%very high
May Weather19°C (67°F)161 mm (6.3 inches)80%very high
June Weather25°C (77°F)110 mm (4.3 inches)83%extreme
July Weather26°C (79°F)98 mm (3.9 inches)82%extreme
August Weather24°C (76°F)113 mm (4.4 inches)82%very high
September Weather22°C (72°F)61 mm (2.4 inches)79%very high
October Weather15°C (59°F)107 mm (4.2 inches)79%high
November Weather6°C (43°F)79 mm (3.1 inches)88%moderate
December Weather3°C (38°F)63 mm (2.5 inches)87%moderate

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