Huntsville Intl climate by month
Averages and records for each calendar month at Huntsville Intl, United States, from 1958 to 2026. The warmest month is July, averaging 32.2°C; the coolest is January at 9.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.9°C | −0.6°C | 26.1°C1 January 2022 | −23.9°C30 January 1966 | 68 / 68 |
| February | 12.8°C | 1.4°C | 28.3°C23 February 1996 | −17.2°C4 February 1996 | 68 / 68 |
| March | 17.7°C | 5.4°C | 31.1°C31 March 1963 | −14.4°C3 March 1980 | 68 / 68 |
| April | 23.0°C | 10.0°C | 33.3°C16 April 1967 | −3.9°C7 April 2007 | 68 / 68 |
| May | 27.0°C | 14.8°C | 35.6°C20 May 1960 | 2.2°C3 May 1971 | 68 / 68 |
| June | 30.9°C | 19.2°C | 41.1°C29 June 2012 | 7.2°C1 June 1972 | 68 / 68 |
| July | 32.2°C | 21.1°C | 40.6°C1 July 2012 | 11.7°C15 July 1967 | 68 / 68 |
| August | 32.0°C | 20.4°C | 40.6°C15 August 2007 | 10.6°C13 August 2004 | 68 / 68 |
| September | 29.0°C | 16.9°C | 38.3°C7 September 1990 | 2.8°C30 September 1967 | 68 / 69 |
| October | 23.5°C | 10.2°C | 37.8°C2 October 2019 | −2.2°C27 October 1961 | 67 / 68 |
| November | 17.1°C | 4.8°C | 31.1°C1 November 2016 | −9.4°C24 November 1970 | 68 / 68 |
| December | 11.9°C | 1.3°C | 26.1°C4 December 1998 | −19.4°C22 December 1989 | 68 / 68 |
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 67 to 68 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.