October Weather in Knoxville, United States

Last updated: June 24, 2025

In Knoxville, United States, the average temperature in October hovers around 13°C (55°F). However, temperatures can range dramatically, with a minimum of -5°C (23°F) and a maximum of 32°C (89°F). Expect about 126 mm (5.0 in) of precipitation spread over 11 days, contributing to an average humidity of 78%. This means you might want to pack both your warm coat and an umbrella!

October Temperature in Knoxville

In October in Knoxville, the average temperature is 13°C (55°F), with maximums reaching 32°C (89°F) and minimums dipping as low as -5°C (23°F). This temperature range means travelers should be prepared for both warm and chilly weather during their visit.

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 13°C (55°F), with highs reaching up to 32°C (89°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Knoxville generated using information from the Copernicus Climate Change Service.

October Precipitation in Knoxville

In Knoxville in October, the total precipitation amount is 126 mm (5.0 in) spread 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 126 mm (5.0 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Knoxville

In Knoxville in October, humidity is 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape 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 78%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	57 mm (2.2 inches)	81%	moderate
February Weather	-2°C (28°F)	65 mm (2.6 inches)	81%	moderate
March Weather	5°C (41°F)	105 mm (4.1 inches)	81%	high
April Weather	10°C (50°F)	111 mm (4.4 inches)	82%	very high
May Weather	17°C (63°F)	160 mm (6.3 inches)	78%	very high
June Weather	23°C (74°F)	152 mm (6.0 inches)	81%	extreme
July Weather	25°C (77°F)	108 mm (4.2 inches)	79%	very high
August Weather	23°C (74°F)	67 mm (2.6 inches)	77%	very high
September Weather	20°C (69°F)	99 mm (3.9 inches)	78%	very high
October Weather	13°C (55°F)	126 mm (5.0 inches)	78%	high
November Weather	4°C (40°F)	52 mm (2.1 inches)	87%	moderate
December Weather	1°C (33°F)	50 mm (2.0 inches)	84%	low