Springfield/Hartness State Arpt climate by month
Averages and records for each calendar month at Springfield/Hartness State Arpt, United States, from 1996 to 2026. The warmest month is July, averaging 27.7°C; the coolest is January at −1.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −1.0°C | −10.8°C | 18.9°C6 January 2007 | −29.9°C2 January 2018 | 30 / 30 |
| February | 1.1°C | −10.0°C | 21.1°C21 February 2018 | −28.3°C14 February 2003 | 30 / 30 |
| March | 6.1°C | −5.2°C | 30.0°C31 March 1998 | −25.5°C7 March 2007 | 30 / 30 |
| April | 13.6°C | 0.5°C | 32.8°C17 April 2002 | −12.2°C7 April 2003 | 30 / 30 |
| May | 20.4°C | 6.8°C | 34.4°C26 May 2010 | −3.8°C1 May 2008 | 30 / 30 |
| June | 24.9°C | 11.8°C | 36.7°C24 June 2025 | −0.5°C1 June 2009 | 30 / 30 |
| July | 27.7°C | 14.6°C | 39.4°C2 July 2002 | 5.6°C8 July 2000 | 31 / 31 |
| August | 26.7°C | 13.6°C | 36.7°C9 August 2001 | 5.0°C20 August 1998 | 31 / 31 |
| September | 22.6°C | 9.5°C | 35.0°C9 September 2002 | −3.9°C29 September 2000 | 30 / 31 |
| October | 15.3°C | 3.3°C | 29.4°C3 October 2023 | −7.2°C31 October 2001 | 30 / 30 |
| November | 8.2°C | −2.1°C | 25.6°C5 November 2022 | −17.7°C23 November 2018 | 30 / 30 |
| December | 2.0°C | −6.9°C | 22.2°C7 December 1998 | −26.6°C30 December 2017 | 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 30 to 31 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.