Knoxville (TN) monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Knoxville

Knoxville average temperature chart (Celsius) Knoxville average temperature chart (Fahrenheit)
Average monthly temperatures in Knoxville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.4 10.2 15.9 21.1 25.1 29 30.5 30.2 27 21.1 15.2 9.6
°F 45.4 50.4 60.7 70 77.1 84.2 86.8 86.4 80.6 70 59.4 49.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Knoxville monthly rainfall chart (mm) Knoxville monthly rainfall chart (inches)
Average monthly rainfall in Knoxville (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 108 104 132 96 109 103 121 86 82 73 99 117
inches 4.2 4.1 5.2 3.8 4.3 4 4.8 3.4 3.2 2.9 3.9 4.6
Rainy days 12 11 12 11 11 10 12 9 8 8 10 11

Average annual rainfall in Knoxville: 1181.3mm (465.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Knoxville

Knoxville average daily sunshine chart
Average daily sunshine Knoxville
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.9 5.6 7.1 8.9 9.6 10.2 9.7 9.4 8.2 7.5 5.5 4.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Knoxville average minimum / maximum temperatures (Celsius) Knoxville average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Knoxville (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.5 -1.9 2.4 6.8 11.4 16.3 18.7 18.3 14.7 7.4 2.7 -1.5
Max °C 7.7 10.5 16.3 21.5 25.4 29.3 30.8 30.5 27.3 21.5 15.5 9.9
Min °F 25.7 28.6 36.2 44.2 52.5 61.3 65.6 64.9 58.5 45.2 36.9 29.3
Max °F 35.8 39.7 48.7 57.4 65.1 73 76.5 75.9 69.8 57.9 48.4 39.6

Sea temperature

The graph below shows the average sea temperature.

Knoxville average sea temperature chart (Celsius) Knoxville average sea temperature chart (Fahrenheit)
Average sea temperature around Knoxville in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 12.2 11.4 11.6 13.6 17.5 22.2 25.6 26.4 24.8 21 17.1 14.1
°F 53.9 52.5 52.9 56.4 63.5 72 78.1 79.5 76.7 69.9 62.7 57.4

Wind speed

The graph below shows the average wind speed.

Knoxville average winspeed by month (km/h) Knoxville average winspeed by month (mph)
Average wind speed in Knoxville (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 14 14 14 12 10 10 9 10 10 12 13
mph 8 9 9 9 7 7 6 6 6 6 7 8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Knoxville relative humidity averages
Average relative humidity in Knoxville
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 68% 65% 63% 71% 74% 76% 76% 76% 73% 72% 73%

Other monthly averages

UV index Best time to go?

Knoxville weather stats

Knoxville weather statistics
Hottest month: July 30.5°C 86.9°F
Driest month: October 73mm 2.9ins
Sunniest month: June 10.2hrs
Coldest month: January 7.4°C 45.3°F
Wettest month: March 132mm 5.2ins
Warmest sea: August 26.4°C 79.5°F
Map showing location of Knoxville (35.96064, -83.92074) Knoxville map pin © Google

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