Clinton/Sherman Arpt weather by month
Averages and records for each calendar month at Clinton/Sherman Arpt, United States, from 1958 to 2026. The warmest month is July, averaging 35.0°C; the coolest is January at 9.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.5°C | −2.9°C | 28.3°C3 January 2006 | −20.0°C12 January 1963 | 41 / 41 |
| February | 11.5°C | −1.2°C | 32.8°C11 February 2017 | −21.0°C15 February 2021 | 41 / 41 |
| March | 17.0°C | 3.5°C | 36.1°C20 March 2026 | −17.2°C3 March 1960 | 41 / 41 |
| April | 22.2°C | 8.8°C | 37.2°C25 April 2012 | −6.6°C7 April 2018 | 39 / 41 |
| May | 27.3°C | 14.2°C | 41.1°C23 May 2000 | −3.2°C3 May 2013 | 39 / 41 |
| June | 32.1°C | 19.6°C | 43.3°C26 June 2011 | 7.2°C6 June 1998 | 40 / 41 |
| July | 35.0°C | 22.0°C | 44.4°C19 July 2022 | 11.7°C28 July 2005 | 40 / 41 |
| August | 34.4°C | 21.3°C | 43.9°C1 August 2012 | 11.7°C24 August 1966 | 41 / 42 |
| September | 29.6°C | 17.0°C | 42.2°C4 September 2000 | 3.3°C28 September 1967 | 41 / 42 |
| October | 23.1°C | 10.4°C | 37.8°C3 October 2000 | −6.6°C31 October 2019 | 40 / 40 |
| November | 16.0°C | 3.7°C | 33.3°C3 November 2005 | −11.6°C12 November 2019 | 42 / 42 |
| December | 10.3°C | −1.3°C | 30.0°C25 December 2025 | −17.7°C18 December 2016 | 41 / 42 |
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 39 to 42 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.