Lee's Summit Muni climate by month
Averages and records for each calendar month at Lee's Summit Muni, United States, from 2002 to 2026. The warmest month is July, averaging 31.4°C; the coolest is January at 4.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 4.3°C | −5.6°C | 23.9°C28 January 2013 | −22.7°C14 January 2024 | 24 / 24 |
| February | 6.7°C | −4.2°C | 26.1°C22 February 2017 | −23.8°C16 February 2021 | 24 / 24 |
| March | 14.1°C | 2.8°C | 33.3°C21 March 2026 | −19.9°C3 March 2014 | 24 / 24 |
| April | 19.1°C | 7.8°C | 33.3°C25 April 2012 | −7.1°C7 April 2007 | 25 / 25 |
| May | 23.8°C | 13.2°C | 34.4°C28 May 2018 | −1.1°C2 May 2005 | 25 / 25 |
| June | 29.5°C | 19.0°C | 39.4°C28 June 2012 | 7.8°C4 June 2003 | 25 / 25 |
| July | 31.4°C | 21.0°C | 41.7°C29 July 2012 | 11.7°C18 July 2009 | 25 / 25 |
| August | 30.6°C | 20.0°C | 42.8°C2 August 2011 | 10.0°C12 August 2004 | 25 / 25 |
| September | 27.0°C | 15.8°C | 37.8°C1 September 2011 | 3.3°C29 September 2003 | 24 / 25 |
| October | 19.9°C | 8.8°C | 34.4°C3 October 2006 | −5.5°C19 October 2022 | 24 / 24 |
| November | 12.9°C | 2.5°C | 27.2°C8 November 2006 | −12.7°C12 November 2019 | 24 / 24 |
| December | 6.9°C | −2.8°C | 23.3°C15 December 2021 | −21.6°C22 December 2022 | 24 / 24 |
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 24 to 25 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.