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October Weather in Knoxville, United States

Last updated: June 24, 2025

In October, the average temperature in Knoxville, United States hovers around 17°C (62°F), offering a comfortable climate for outdoor activities. However, be prepared for a temperature range that can dip to a chilly -2°C (29°F) and peak at a warm 33°C (91°F). Expect moderate rainfall with an average precipitation of 107 mm (4.2 in) spread over 9 days, and don't forget to account for the average humidity level of 69%, which adds to the overall atmospheric experience.

October Temperature in Knoxville

In October, in Knoxville, the average temperature is 17°C (62°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as -2°C (29°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates October temperature patterns in Knoxville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Knoxville, October typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec394353586876807874624945
Data source: Temperature data for Knoxville 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 Knoxville

In Knoxville in October, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

October Precipitation Trends in Knoxville

The chart displays monthly precipitation patterns in Knoxville, 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 Knoxville, October typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec101142156154213114771167210796110
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Knoxville

In Knoxville in October, humidity is 69%. With an average temperature of 17°C (62°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air hangs heavy around you, causing you to sweat slightly more than usual and prompting a desire for refreshing breaks in shaded areas.

October Average Humidity in Knoxville

This chart illustrates the average monthly humidity levels in Knoxville, 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 Knoxville is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Knoxville

In Knoxville 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 Knoxville.

Maximum UV Index Levels in Knoxville for October

The chart shows the monthly maximum UV Index (UVI) for Knoxville 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 Knoxville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109754
Data source: Knoxville 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 Knoxville Compares to Other Months

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

This table compares monthly weather conditions in Knoxville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)101 mm (4.0 inches)82%moderate
February Weather6°C (43°F)142 mm (5.6 inches)79%high
March Weather11°C (53°F)156 mm (6.1 inches)77%very high
April Weather15°C (59°F)154 mm (6.1 inches)78%very high
May Weather20°C (69°F)213 mm (8.4 inches)82%extreme
June Weather25°C (77°F)114 mm (4.5 inches)81%extreme
July Weather27°C (80°F)77 mm (3.0 inches)75%extreme
August Weather26°C (78°F)116 mm (4.6 inches)61%very high
September Weather24°C (75°F)72 mm (2.8 inches)59%very high
October Weather17°C (62°F)107 mm (4.2 inches)69%high
November Weather9°C (49°F)96 mm (3.8 inches)82%moderate
December Weather7°C (45°F)110 mm (4.3 inches)87%moderate

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