October Weather in Knoxville, United States

Last updated: June 24, 2025

In October, the average temperature in Knoxville, United States hovers around 12°C (54°F), offering a refreshing climate. Expect temperatures to range from a chilly -4°C (25°F) to a balmy 31°C (88°F). Rainfall averages 130 mm (5.1 in) spread over 11 days, contributing to a 75% humidity level, which enhances the region's lush landscapes. Prepare for a diverse weather experience!

October Temperature in Knoxville

In October in Knoxville, the average temperature is 12°C (54°F). The maximum can reach 31°C (88°F) and the minimum can be as low as -4°C (25°F). Be prepared for a wide range of temperatures, making it essential to pack layered clothing for your travels.

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 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec232541506375787569543932
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 total precipitation amount is 130 mm (5.1 in) occurring over 11 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 130 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4447867115312977711211305038
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 75%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that seeps into your bones, making it essential to layer your clothing for comfort while exploring.

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 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Knoxville, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111198643
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 Weather-5°C (24°F)44 mm (1.7 inches)78%moderate
February Weather-4°C (25°F)47 mm (1.8 inches)80%moderate
March Weather5°C (41°F)86 mm (3.4 inches)77%high
April Weather10°C (50°F)71 mm (2.8 inches)77%very high
May Weather17°C (63°F)153 mm (6.0 inches)77%very high
June Weather24°C (75°F)129 mm (5.1 inches)81%extreme
July Weather25°C (78°F)77 mm (3.0 inches)81%extreme
August Weather24°C (75°F)71 mm (2.8 inches)77%very high
September Weather21°C (69°F)121 mm (4.8 inches)73%very high
October Weather12°C (54°F)130 mm (5.1 inches)75%high
November Weather4°C (40°F)50 mm (2.0 inches)85%moderate
December Weather0°C (32°F)37 mm (1.5 inches)83%moderate

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