Courtland climate by month
Averages and records for each calendar month at Courtland, United States, from 2006 to 2026. The warmest month is July, averaging 31.7°C; the coolest is January at 9.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 9.9°C | −1.1°C | 25.8°C1 January 2022 | −15.8°C29 January 2014 | 19 / 20 |
| February | 13.4°C | 1.5°C | 28.9°C23 February 2023 | −12.9°C19 February 2015 | 20 / 20 |
| March | 18.5°C | 5.8°C | 30.2°C27 March 2020 | −9.1°C6 March 2015 | 20 / 20 |
| April | 22.5°C | 9.6°C | 30.8°C9 April 2011 | −3.7°C8 April 2007 | 19 / 20 |
| May | 26.5°C | 14.8°C | 33.9°C31 May 2006 | 3.6°C5 May 2011 | 21 / 21 |
| June | 30.8°C | 19.2°C | 40.1°C30 June 2012 | 10.3°C2 June 2012 | 20 / 21 |
| July | 31.7°C | 21.2°C | 39.2°C1 July 2012 | 12.9°C1 July 2008 | 21 / 21 |
| August | 31.5°C | 20.4°C | 39.7°C15 August 2007 | 11.5°C27 August 2025 | 21 / 21 |
| September | 28.7°C | 16.7°C | 37.2°C19 September 2026 | 5.4°C24 September 2012 | 20 / 21 |
| October | 23.3°C | 10.0°C | 36.3°C3 October 2019 | −2.4°C29 October 2008 | 20 / 20 |
| November | 17.0°C | 3.8°C | 30.5°C1 November 2016 | −8.7°C22 November 2008 | 20 / 20 |
| December | 12.8°C | 1.9°C | 24.9°C5 December 2013 | −16.5°C23 December 2022 | 20 / 20 |
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 19 to 21 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.