ST GEORGE AIRPORT climate by month
Averages and records for each calendar month at ST GEORGE AIRPORT, Australia, from 1997 to 2026. The warmest month is January, averaging 35.5°C; the coolest is July at 19.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 35.5°C | 22.4°C | 47.2°C3 January 2014 | 11.4°C13 January 2012 | 29 / 29 |
| February | 33.9°C | 21.3°C | 46.8°C12 February 2017 | 10.2°C18 February 1998 | 28 / 29 |
| March | 32.0°C | 19.1°C | 42.0°C20 March 2015 | 6.2°C29 March 2008 | 29 / 29 |
| April | 28.0°C | 13.9°C | 36.9°C10 April 2026 | 0.6°C30 April 2008 | 29 / 29 |
| May | 23.3°C | 9.2°C | 32.5°C4 May 2007 | −0.9°C31 May 2004 | 29 / 30 |
| June | 19.9°C | 6.5°C | 29.2°C15 June 2002 | −2.9°C22 June 2019 | 30 / 30 |
| July | 19.7°C | 5.3°C | 28.7°C30 July 2017 | −4.1°C11 July 2002 | 30 / 30 |
| August | 22.3°C | 6.4°C | 37.6°C29 August 2009 | −2.5°C26 August 1997 | 30 / 30 |
| September | 26.6°C | 10.7°C | 40.4°C27 September 2017 | −0.1°C2 September 2012 | 29 / 30 |
| October | 30.0°C | 14.7°C | 42.6°C27 October 2014 | 4.5°C21 October 2001 | 29 / 29 |
| November | 32.4°C | 18.2°C | 45.1°C30 November 2020 | 6.1°C17 November 2006 | 29 / 29 |
| December | 34.3°C | 20.5°C | 45.9°C22 December 2019 | 8.9°C21 December 2010 | 29 / 29 |
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 28 to 30 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.