Goolwa Marina climate by month
Averages and records for each calendar month at Goolwa Marina, Australia, from 2003 to 2026. The warmest month is January, averaging 25.2°C; the coolest is July at 15.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 25.2°C | 16.2°C | 44.6°C14 January 2014 | 8.3°C3 January 2009 | 22 / 24 |
| February | 24.5°C | 15.9°C | 40.8°C17 February 2007 | 7.9°C29 February 2008 | 22 / 24 |
| March | 24.0°C | 14.7°C | 40.9°C10 March 2024 | 7.7°C28 March 2009 | 23 / 24 |
| April | 21.8°C | 12.5°C | 37.6°C9 April 2005 | 5.8°C15 April 2005 | 24 / 24 |
| May | 18.5°C | 10.5°C | 30.4°C8 May 2013 | 0.9°C31 May 2021 | 24 / 24 |
| June | 16.0°C | 8.6°C | 26.7°C8 June 2005 | 0.3°C23 June 2007 | 23 / 24 |
| July | 15.4°C | 8.0°C | 23.5°C21 July 2016 | −0.1°C24 July 2008 | 24 / 24 |
| August | 16.5°C | 8.4°C | 29.9°C30 August 2007 | 2.1°C26 August 2020 | 24 / 24 |
| September | 18.8°C | 9.4°C | 32.1°C30 September 2023 | 1.4°C5 September 2007 | 22 / 24 |
| October | 21.1°C | 11.0°C | 38.4°C21 October 2014 | 4.8°C8 October 2009 | 23 / 23 |
| November | 23.1°C | 13.1°C | 41.8°C20 November 2019 | 5.2°C4 November 2017 | 23 / 23 |
| December | 24.6°C | 14.7°C | 45.2°C20 December 2019 | 7.6°C6 December 2022 | 22 / 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 22 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.