Oak Ridge climate by month
Averages and records for each calendar month at Oak Ridge, United States, from 1998 to 2026. The warmest month is July, averaging 31.6°C; the coolest is January at 8.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.7°C | −1.2°C | 23.9°C1 January 2022 | −18.8°C17 January 2024 | 28 / 28 |
| February | 11.9°C | 0.8°C | 27.8°C23 February 2023 | −15.5°C19 February 2015 | 28 / 28 |
| March | 17.3°C | 4.8°C | 30.6°C21 March 2026 | −8.3°C3 March 2009 | 28 / 28 |
| April | 22.5°C | 9.2°C | 32.8°C29 April 2017 | −4.4°C8 April 2007 | 28 / 28 |
| May | 26.4°C | 14.1°C | 35.0°C31 May 2011 | 1.7°C9 May 2020 | 28 / 28 |
| June | 30.3°C | 18.5°C | 40.6°C30 June 2012 | 9.4°C2 June 2003 | 28 / 28 |
| July | 31.6°C | 20.8°C | 40.0°C1 July 2012 | 12.2°C1 July 2008 | 28 / 28 |
| August | 31.3°C | 20.1°C | 39.4°C16 August 2007 | 11.1°C27 August 2025 | 28 / 28 |
| September | 28.2°C | 16.4°C | 37.8°C3 September 2026 | 2.8°C26 September 2001 | 26 / 28 |
| October | 22.3°C | 9.7°C | 36.7°C3 October 2019 | −2.8°C28 October 2001 | 27 / 27 |
| November | 16.1°C | 3.9°C | 29.4°C1 November 2016 | −8.3°C22 November 2008 | 28 / 28 |
| December | 10.8°C | 0.9°C | 24.4°C27 December 2015 | −16.0°C23 December 2022 | 28 / 28 |
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 26 to 28 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.