Bourke Post Office climate by month
Averages and records for each calendar month at Bourke Post Office, Australia, from 1998 to 2026. The warmest month is January, averaging 37.8°C; the coolest is July at 18.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 37.8°C | 22.8°C | 48.3°C12 January 2013 | 11.0°C24 January 2000 | 28 / 28 |
| February | 35.7°C | 21.8°C | 47.1°C11 February 2017 | 11.0°C4 February 2005 | 25 / 28 |
| March | 32.8°C | 18.8°C | 43.0°C19 March 2002 | 5.8°C29 March 2008 | 28 / 28 |
| April | 28.0°C | 13.5°C | 38.6°C6 April 2016 | 1.8°C29 April 2008 | 28 / 28 |
| May | 22.6°C | 8.6°C | 32.1°C1 May 2013 | −2.6°C7 May 2011 | 28 / 28 |
| June | 18.8°C | 5.7°C | 28.0°C7 June 2002 | −4.6°C30 June 2010 | 26 / 28 |
| July | 18.7°C | 4.2°C | 31.8°C31 July 2021 | −3.5°C19 July 2007 | 25 / 28 |
| August | 21.4°C | 5.4°C | 37.1°C30 August 2024 | −2.7°C2 August 2012 | 28 / 28 |
| September | 26.0°C | 9.4°C | 40.8°C27 September 2017 | −0.6°C3 September 2012 | 27 / 28 |
| October | 29.8°C | 13.9°C | 44.8°C21 October 2025 | 3.1°C13 October 2012 | 26 / 27 |
| November | 32.5°C | 17.6°C | 46.6°C20 November 2009 | 1.8°C3 November 2010 | 25 / 27 |
| December | 35.5°C | 20.2°C | 47.6°C1 December 2020 | 8.0°C21 December 2010 | 23 / 28 |
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 28 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.