Norman/Univ Oklahoma Arpt weather by month
Averages and records for each calendar month at Norman/Univ Oklahoma Arpt, United States, from 2009 to 2026. The warmest month is August, averaging 34.1°C; the coolest is January at 10.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 10.4°C | −2.5°C | 26.7°C28 January 2015 | −18.9°C7 January 2017 | 17 / 17 |
| February | 12.5°C | −0.3°C | 31.1°C11 February 2017 | −24.4°C16 February 2021 | 18 / 18 |
| March | 18.9°C | 5.7°C | 35.6°C21 March 2026 | −15.0°C3 March 2014 | 18 / 18 |
| April | 22.4°C | 9.9°C | 33.9°C22 April 2011 | −4.4°C7 April 2018 | 18 / 18 |
| May | 26.0°C | 15.0°C | 35.0°C4 May 2014 | 0.0°C3 May 2013 | 18 / 18 |
| June | 31.6°C | 20.7°C | 40.0°C27 June 2011 | 11.1°C1 June 2012 | 18 / 18 |
| July | 34.0°C | 22.6°C | 43.3°C19 July 2022 | 13.3°C2 July 2013 | 18 / 18 |
| August | 34.1°C | 22.0°C | 43.9°C1 August 2012 | 11.1°C20 August 2015 | 18 / 18 |
| September | 30.1°C | 17.7°C | 40.6°C7 September 2012 | 6.1°C29 September 2020 | 17 / 17 |
| October | 23.6°C | 10.6°C | 34.4°C1 October 2014 | −5.0°C31 October 2019 | 17 / 17 |
| November | 17.3°C | 4.4°C | 30.6°C15 November 2025 | −10.0°C12 November 2019 | 17 / 17 |
| December | 11.8°C | −0.1°C | 30.0°C27 December 2025 | −16.1°C22 December 2022 | 17 / 17 |
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 17 to 18 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.