GUNNEDAH AIRPORT AWS climate by month
Averages and records for each calendar month at GUNNEDAH AIRPORT AWS, Australia, from 2001 to 2026. The warmest month is January, averaging 34.7°C; the coolest is July at 17.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 34.7°C | 18.6°C | 46.9°C3 January 2014 | 6.1°C12 January 2012 | 24 / 25 |
| February | 33.2°C | 18.0°C | 46.5°C12 February 2017 | 6.4°C3 February 2005 | 25 / 25 |
| March | 30.4°C | 15.6°C | 40.4°C20 March 2015 | 2.6°C30 March 2008 | 24 / 25 |
| April | 26.5°C | 10.7°C | 35.3°C10 April 2026 | −0.3°C22 April 2021 | 24 / 25 |
| May | 21.7°C | 5.9°C | 29.0°C4 May 2007 | −4.5°C30 May 2004 | 25 / 25 |
| June | 17.8°C | 3.6°C | 24.7°C3 June 2023 | −6.8°C24 June 2012 | 24 / 25 |
| July | 17.4°C | 2.1°C | 25.0°C28 July 2018 | −6.6°C15 July 2018 | 25 / 25 |
| August | 19.6°C | 2.8°C | 31.6°C23 August 2009 | −5.4°C9 August 2008 | 25 / 25 |
| September | 23.4°C | 5.7°C | 35.6°C23 September 2017 | −3.4°C2 September 2012 | 23 / 26 |
| October | 27.6°C | 10.0°C | 39.6°C26 October 2014 | 0.0°C20 October 2001 | 25 / 25 |
| November | 30.6°C | 14.1°C | 42.4°C15 November 2014 | 1.8°C2 November 2003 | 25 / 25 |
| December | 32.8°C | 16.4°C | 43.7°C2 December 2020 | 4.4°C15 December 2022 | 24 / 25 |
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 23 to 25 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.