Knoxville/Tyson Arpt climate by month
Averages and records for each calendar month at Knoxville/Tyson Arpt, United States, from 1910 to 2026. The warmest month is July, averaging 31.2°C; the coolest is January at 8.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.9°C | −0.9°C | 25.0°C25 January 1950 | −31.1°C21 January 1985 | 117 / 117 |
| February | 11.2°C | 0.4°C | 28.3°C26 February 1977 | −22.2°C5 February 1996 | 117 / 117 |
| March | 16.0°C | 4.2°C | 31.1°C25 March 1929 | −17.2°C3 March 1980 | 117 / 117 |
| April | 21.5°C | 8.9°C | 33.9°C24 April 1925 | −5.6°C1 April 1987 | 117 / 117 |
| May | 25.8°C | 13.7°C | 35.6°C22 May 1941 | 0.0°C4 May 1986 | 117 / 117 |
| June | 29.7°C | 18.2°C | 40.6°C30 June 2012 | 6.1°C3 June 1956 | 117 / 117 |
| July | 31.2°C | 20.2°C | 40.6°C1 July 2012 | 9.4°C2 July 1988 | 117 / 117 |
| August | 30.7°C | 19.6°C | 38.9°C29 August 1948 | 9.4°C31 August 1946 | 116 / 117 |
| September | 28.0°C | 16.3°C | 39.4°C5 September 1954 | 2.2°C30 September 1967 | 116 / 117 |
| October | 22.0°C | 9.5°C | 35.6°C2 October 2019 | −4.4°C30 October 1910 | 116 / 116 |
| November | 15.2°C | 3.6°C | 29.4°C1 November 2016 | −15.0°C25 November 1950 | 116 / 116 |
| December | 10.1°C | 0.3°C | 26.7°C4 December 1982 | −21.1°C25 December 1983 | 116 / 116 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 116 to 117 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.