CAPE FLATTERY climate by month
Averages and records for each calendar month at CAPE FLATTERY, Australia, from 2003 to 2026. The warmest month is December, averaging 32.6°C; the coolest is July at 26.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 32.1°C | 24.8°C | 39.5°C19 January 2020 | 20.7°C11 January 2012 | 23 / 23 |
| February | 32.1°C | 24.8°C | 39.0°C21 February 2019 | 21.4°C3 February 2015 | 21 / 23 |
| March | 31.2°C | 24.7°C | 36.7°C27 March 2017 | 19.7°C31 March 2007 | 23 / 23 |
| April | 30.2°C | 24.4°C | 34.1°C16 April 2023 | 19.3°C1 April 2009 | 22 / 23 |
| May | 28.7°C | 23.5°C | 31.9°C3 May 2014 | 16.4°C31 May 2008 | 22 / 23 |
| June | 27.1°C | 22.1°C | 31.6°C4 June 2016 | 16.1°C5 June 2011 | 23 / 24 |
| July | 26.7°C | 21.3°C | 29.9°C4 July 2023 | 13.8°C28 July 2008 | 23 / 24 |
| August | 27.4°C | 21.3°C | 31.0°C25 August 2016 | 13.7°C9 August 2013 | 24 / 24 |
| September | 29.0°C | 22.4°C | 31.4°C30 September 2011 | 15.1°C1 September 2023 | 23 / 24 |
| October | 30.5°C | 23.2°C | 34.4°C30 October 2025 | 15.9°C14 October 2009 | 23 / 23 |
| November | 31.9°C | 24.4°C | 37.4°C30 November 2018 | 19.2°C5 November 2007 | 23 / 23 |
| December | 32.6°C | 25.0°C | 36.9°C16 December 2018 | 19.2°C16 December 2012 | 21 / 23 |
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 21 to 24 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.