Knoxville Climate Normals and Records
(records began in 1871)

Note: The following monthly climatological data is not considered official. For copies of official data, contact the National Climatic Data Center.

 

Daily and Monthly Climate Normals and Records
('Normals' are thirty year averages based on the period 1981-2010)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec


Knoxville Annual Averages
Precipitation.....47.86 inches Days with 0.01" or more of precipitation.....125.2
Snowfall.....6.5 inches Days with 1.0" or more of snowfall.....2.2
Days with thunderstorms.....48.4 Days at or above 90 F.....31.4
Days with dense fog.....30 Days at or below 32 F.....67
Average first freeze.....November 3 Average last freeze.....April 6
Average first frost.....October 17 Average last frost.....April 19


Knoxville All-Time Records
All Time Highest Temperature 105 F June 30 and July 1, 2012
All Time Lowest Temperature -24 F January 21, 1985
Most Rain in One Day 6..14" July 16, 1917
Most Rain in One Month 17.62" April 1874
Most Rain in One Year 73.77" 1875
Most Snow in One Day 17.5" February 13, 1960
Most Snow in One Season 56.7" 1959-60
Measurable Snowfall on Christmas 2.5" 2010
  0.3" 1992
  0.1" 1989
  1.2" 1976
  7.0" 1969
  0.4" 1935
  0.4" 1929
  2.0" 1915
  0.3" 1909
  0.3" 1899
  2.2" 1887
  0.6" 1884

 

For additional information via a searchable database:

www.nws.noaa.gov/climate/xmacis.php



 
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