Swan Hill climate by month
Averages and records for each calendar month at Swan Hill, Australia, from 1996 to 2026. The warmest month is January, averaging 33.4°C; the coolest is July at 14.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 33.4°C | 16.4°C | 47.7°C27 January 2026 | 6.0°C9 January 2004 | 30 / 30 |
| February | 32.4°C | 15.9°C | 46.9°C7 February 2009 | 5.5°C20 February 2017 | 30 / 30 |
| March | 28.8°C | 13.2°C | 42.0°C12 March 1998 | 4.1°C30 March 2008 | 30 / 30 |
| April | 23.9°C | 9.3°C | 39.0°C11 April 2018 | −0.3°C29 April 2008 | 30 / 30 |
| May | 18.8°C | 6.4°C | 29.0°C2 May 2021 | −2.2°C30 May 2006 | 30 / 30 |
| June | 15.3°C | 4.5°C | 25.0°C2 June 2003 | −5.0°C18 June 1998 | 30 / 30 |
| July | 14.8°C | 3.6°C | 25.7°C29 July 2017 | −5.2°C22 July 2007 | 30 / 30 |
| August | 16.8°C | 4.1°C | 27.8°C30 August 2007 | −3.7°C3 August 2014 | 30 / 30 |
| September | 20.4°C | 5.8°C | 36.3°C23 September 2017 | −2.0°C1 September 2020 | 29 / 30 |
| October | 24.3°C | 8.1°C | 38.4°C12 October 2006 | −1.0°C20 October 2001 | 29 / 29 |
| November | 28.0°C | 11.7°C | 45.2°C29 November 2012 | 1.0°C11 November 2001 | 29 / 29 |
| December | 30.8°C | 13.9°C | 46.9°C20 December 2019 | 5.0°C7 December 2002 | 29 / 30 |
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 29 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.