Derby weather by month
Measured at Winfield/Strother Fld
Averages and records for each calendar month at Winfield/Strother Fld, United States, from 1996 to 2026. The warmest month is July, averaging 33.7°C; the coolest is January at 7.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 7.9°C | −4.8°C | 26.1°C1 January 2006 | −24.4°C26 January 2026 | 30 / 30 |
| February | 10.3°C | −2.8°C | 29.4°C27 February 2024 | −28.8°C10 February 2011 | 30 / 30 |
| March | 16.5°C | 2.9°C | 35.6°C21 March 2026 | −20.5°C3 March 2014 | 30 / 30 |
| April | 21.3°C | 7.7°C | 35.0°C13 April 2006 | −6.6°C7 April 2009 | 30 / 30 |
| May | 25.8°C | 13.5°C | 37.8°C30 May 1998 | −1.0°C3 May 2013 | 30 / 30 |
| June | 31.1°C | 19.2°C | 41.7°C26 June 2012 | 7.8°C6 June 1998 | 30 / 30 |
| July | 33.7°C | 21.6°C | 44.4°C30 July 2012 | 12.2°C28 July 2005 | 31 / 31 |
| August | 33.4°C | 20.7°C | 43.9°C2 August 2011 | 10.0°C20 August 2012 | 30 / 31 |
| September | 29.3°C | 16.2°C | 42.8°C2 September 2000 | 2.8°C27 September 2018 | 30 / 31 |
| October | 22.4°C | 9.1°C | 35.6°C8 October 2021 | −6.6°C31 October 2019 | 30 / 30 |
| November | 15.5°C | 2.6°C | 31.7°C2 November 2012 | −14.3°C18 November 2014 | 29 / 30 |
| December | 9.0°C | −2.9°C | 26.1°C24 December 2021 | −20.6°C8 December 2005 | 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 31 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.