Stillwater Muni climate by month
Averages and records for each calendar month at Stillwater Muni, United States, from 1996 to 2026. The warmest month is July, averaging 35.0°C; the coolest is January at 10.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 10.0°C | −3.5°C | 27.8°C28 January 2015 | −20.5°C15 January 2024 | 30 / 30 |
| February | 12.4°C | −1.5°C | 32.2°C26 February 2024 | −29.4°C10 February 2011 | 30 / 30 |
| March | 18.4°C | 4.0°C | 36.1°C20 March 2026 | −17.7°C3 March 2014 | 30 / 30 |
| April | 22.8°C | 8.8°C | 38.9°C17 April 2006 | −5.5°C4 April 2018 | 29 / 30 |
| May | 26.8°C | 14.2°C | 37.8°C4 May 2014 | 0.0°C3 May 2013 | 30 / 30 |
| June | 31.8°C | 19.6°C | 41.1°C10 June 2006 | 8.3°C6 June 1998 | 30 / 30 |
| July | 35.0°C | 22.0°C | 44.4°C9 July 2011 | 11.7°C3 July 2013 | 29 / 30 |
| August | 34.8°C | 21.2°C | 45.6°C1 August 2012 | 10.0°C26 August 2010 | 30 / 30 |
| September | 30.7°C | 16.6°C | 42.8°C3 September 1998 | 1.1°C26 September 2000 | 29 / 30 |
| October | 24.0°C | 9.6°C | 36.7°C8 October 2021 | −5.6°C9 October 2000 | 29 / 29 |
| November | 17.2°C | 3.2°C | 32.2°C7 November 2023 | −10.5°C27 November 2013 | 30 / 30 |
| December | 11.2°C | −1.8°C | 29.4°C27 December 2025 | −18.8°C19 December 2016 | 29 / 30 |
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 29 to 30 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.