McAlester Rgnl climate by month
Averages and records for each calendar month at McAlester Rgnl, United States, from 1893 to 2026. The warmest month is August, averaging 34.5°C; the coolest is January at 10.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 10.5°C | −1.6°C | 28.9°C31 January 1911 | −25.6°C10 January 1977 | 108 / 112 |
| February | 13.1°C | 0.5°C | 33.3°C21 February 1996 | −23.8°C16 February 2021 | 110 / 112 |
| March | 18.4°C | 5.5°C | 35.6°C9 March 1911 | −16.1°C3 March 1943 | 109 / 110 |
| April | 23.2°C | 10.4°C | 36.1°C18 April 2006 | −6.1°C15 April 1928 | 109 / 111 |
| May | 26.6°C | 14.9°C | 36.7°C31 May 1998 | 1.1°C1 May 1909 | 109 / 111 |
| June | 31.3°C | 19.7°C | 42.2°C21 June 1936 | 7.2°C1 June 1983 | 111 / 112 |
| July | 34.3°C | 21.8°C | 44.4°C17 July 1954 | 10.6°C16 July 1930 | 112 / 113 |
| August | 34.5°C | 21.3°C | 46.7°C10 August 1936 | 10.0°C31 August 1915 | 110 / 112 |
| September | 30.5°C | 17.2°C | 43.3°C3 September 1947 | 0.6°C27 September 1942 | 109 / 111 |
| October | 24.6°C | 10.8°C | 37.2°C1 October 1938 | −7.8°C30 October 1917 | 108 / 110 |
| November | 17.6°C | 5.0°C | 32.2°C5 November 2017 | −12.8°C29 November 1976 | 109 / 111 |
| December | 11.9°C | 0.1°C | 28.3°C27 December 2025 | −20.6°C23 December 1989 | 108 / 112 |
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 108 to 112 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.