Spencer Muni climate by month
Averages and records for each calendar month at Spencer Muni, United States, from 1996 to 2026. The warmest month is July, averaging 29.5°C; the coolest is January at −3.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −3.0°C | −13.5°C | 17.8°C26 January 2002 | −38.2°C2 January 2010 | 30 / 30 |
| February | −0.7°C | −11.7°C | 23.3°C26 February 2024 | −32.7°C16 February 2021 | 30 / 30 |
| March | 7.1°C | −4.3°C | 31.7°C21 March 2026 | −29.4°C5 March 2003 | 30 / 30 |
| April | 15.3°C | 1.6°C | 35.0°C29 April 2007 | −13.8°C4 April 2018 | 30 / 30 |
| May | 21.9°C | 8.4°C | 39.4°C14 May 2013 | −6.7°C3 May 2005 | 30 / 30 |
| June | 27.6°C | 14.5°C | 37.8°C2 June 2020 | 4.4°C19 June 2004 | 29 / 30 |
| July | 29.5°C | 16.5°C | 38.3°C16 July 2006 | 4.4°C28 July 2013 | 30 / 30 |
| August | 27.9°C | 14.8°C | 37.8°C2 August 2022 | 2.2°C21 August 2004 | 30 / 30 |
| September | 25.1°C | 10.1°C | 38.3°C20 September 2022 | −5.5°C23 September 2012 | 29 / 30 |
| October | 16.7°C | 2.8°C | 35.0°C1 October 2023 | −13.8°C27 October 2020 | 30 / 30 |
| November | 7.9°C | −4.2°C | 26.7°C8 November 1999 | −22.2°C26 November 1996 | 30 / 30 |
| December | −0.4°C | −10.7°C | 19.4°C1 December 1998 | −32.7°C18 December 2016 | 30 / 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.