Dayton/Wright Brothers Arpt weather by month
Averages and records for each calendar month at Dayton/Wright Brothers Arpt, United States, from 1997 to 2026. The warmest month is July, averaging 29.3°C; the coolest is January at 3.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.0°C | −5.3°C | 19.4°C11 January 2020 | −23.9°C27 January 2003 | 29 / 29 |
| February | 5.5°C | −3.8°C | 25.6°C20 February 2018 | −22.7°C20 February 2015 | 29 / 29 |
| March | 11.6°C | 1.0°C | 30.0°C22 March 2026 | −15.0°C4 March 2002 | 29 / 29 |
| April | 18.0°C | 6.4°C | 29.4°C30 April 2007 | −6.0°C2 April 2013 | 29 / 29 |
| May | 23.1°C | 12.1°C | 35.0°C20 May 2017 | −1.6°C9 May 2020 | 29 / 29 |
| June | 27.6°C | 16.8°C | 37.8°C28 June 2012 | 5.0°C6 June 1998 | 29 / 29 |
| July | 29.3°C | 18.8°C | 38.9°C7 July 2012 | 10.0°C6 July 2001 | 27 / 29 |
| August | 28.7°C | 17.8°C | 37.2°C30 August 2024 | 8.3°C30 August 2025 | 29 / 29 |
| September | 25.8°C | 14.0°C | 36.1°C1 September 2011 | 2.2°C22 September 1999 | 29 / 29 |
| October | 18.7°C | 7.7°C | 35.0°C2 October 2019 | −3.3°C29 October 2005 | 27 / 29 |
| November | 11.6°C | 1.9°C | 26.7°C1 November 2016 | −12.1°C13 November 2019 | 29 / 29 |
| December | 5.6°C | −2.3°C | 21.7°C6 December 1998 | −23.3°C25 December 2004 | 29 / 29 |
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 27 to 29 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.