October weather forecast
Knoxville, TN

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The scenic scape of the little town of Knoxville in Tennessee
The scenic scape of the little town of Knoxville in Tennessee

Weather in October

Knoxville in October epitomises the full swing of fall. October weather sees cooler temperatures, a noticeable change from the warmth of September. It reveals gradual signs of winter with a significant decrease in daylight hours. While rainfall increases, it doesn't dampen the city's vibrant atmosphere. October weather in Knoxville, with its vastly changing landscapes, gives residents the opportunity to embrace the wonders of fall.

Temperature

October's onset corresponds with a shift in the average high-temperature, moving from a moderately hot 82.2°F (27.9°C) in September to an agreeable 69.4°F (20.8°C). Knoxville's temperature tends to fall to an average low of 49.1°F (9.5°C) during the nights of October.

Humidity

In October, the average relative humidity is 74%.

Rainfall

In Knoxville, Tennessee, in October, it is raining for 8.8 days, with typically 2.09" (53mm) of accumulated precipitation. In Knoxville, during the entire year, the rain falls for 148.9 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Knoxville, the average length of the day in October is 11h and 16min.
On the first day of the month, sunrise is at 7:31 am and sunset at 7:18 pm. On the last day of October, in Knoxville, sunrise is at 7:57 am and sunset at 6:40 pm EDT.

Sunshine

The average sunshine in October is 7h.

UV index

The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are October temperatures in Knoxville?

In October, the average high-temperature and low-temperature in Knoxville, Tennessee, are 69.4°F (20.8°C) and 49.1°F (9.5°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in October in Knoxville?

In Knoxville, Tennessee, the average relative humidity in October is 74%.

How much does it rain in Knoxville in October?

In Knoxville, in October, it is raining for 8.8 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow in Knoxville?

May through October are months without snowfall.

Does it snow in Knoxville in October?

In Knoxville, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Knoxville?

In Knoxville, the average day length in October is 11h and 16min.

When are sunrise and sunset in October in Knoxville?

In October, on the first day of the month, sunrise is at 7:31 am and sunset at 7:18 pm. On the last day of the month, in Knoxville, Tennessee, sunrise is at 7:57 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Knoxville have in October?

In Knoxville, Tennessee, the average sunshine duration in October is 7h.

What is the UV index intensity in October in Knoxville?

In Knoxville, Tennessee, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Knoxville, TN

Average temperature in October - Knoxville, TN
  • Average high temperature in October: 69.4°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure in October
Knoxville, TN

Average pressure in October - Knoxville, TN
  • Average pressure in October: 30.06"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in October
Knoxville, TN

Average wind speed in October - Knoxville, TN
  • Average wind speed in October: 4.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in October
Knoxville, TN

Average humidity in October - Knoxville, TN
  • Average humidity in October: 74%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in October
Knoxville, TN

Average rainfall in October - Knoxville, TN
  • Average rainfall in October: 2.09"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in October
Knoxville, TN

Average rainfall days in October - Knoxville, TN
  • Average rainfall days in October: 8.8 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in October
Knoxville, TN

Average snowfall in October - Knoxville, TN
  • Average snowfall in October: 0"

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Knoxville, TN

Average snowfall days in October - Knoxville, TN
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Knoxville, TN

Average daylight in October / Average sunshine in October - Knoxville, TN
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in October
Knoxville, TN

Average sunshine days in October - Knoxville, TN
  • Average sunshine days in October: 20.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in October
Knoxville, TN

Average UV index in October - Knoxville, TN
  • Average UV index in October: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in October
Knoxville, TN

Average cloud cover in October - Knoxville, TN
  • Average cloud cover in October: 34

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in October
Knoxville, TN

Average visibility in October - Knoxville, TN
  • Average visibility in October: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Knoxville, Tennessee, USA

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