Spearwood Jandakot Aerodrome Aws climate by month
Averages and records for each calendar month at Spearwood Jandakot Aerodrome Aws, Australia, from 1989 to 2026. The warmest month is February, averaging 31.7°C; the coolest is July at 18.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 31.6°C | 17.0°C | 45.7°C31 January 1991 | 4.7°C25 January 2001 | 36 / 36 |
| February | 31.7°C | 17.3°C | 46.6°C23 February 1991 | 6.5°C3 February 2003 | 37 / 37 |
| March | 29.7°C | 15.8°C | 43.0°C10 March 2003 | 1.6°C28 March 2007 | 36 / 36 |
| April | 25.8°C | 12.6°C | 39.2°C11 April 2020 | 2.3°C29 April 2000 | 36 / 36 |
| May | 22.2°C | 9.4°C | 33.4°C1 May 2002 | −0.6°C25 May 2012 | 36 / 36 |
| June | 19.1°C | 7.6°C | 25.6°C1 June 2019 | −3.4°C17 June 2006 | 36 / 36 |
| July | 18.1°C | 7.2°C | 25.9°C21 July 1994 | −2.8°C27 July 1998 | 37 / 37 |
| August | 18.8°C | 7.4°C | 29.4°C28 August 2019 | −1.4°C21 August 2000 | 37 / 37 |
| September | 20.3°C | 8.4°C | 34.2°C20 September 2014 | −1.3°C22 September 2008 | 36 / 37 |
| October | 23.0°C | 9.9°C | 37.4°C17 October 2009 | −1.0°C6 October 1994 | 36 / 36 |
| November | 26.5°C | 12.8°C | 40.3°C9 November 2019 | 0.8°C18 November 2004 | 36 / 36 |
| December | 29.5°C | 15.1°C | 44.0°C26 December 2007 | 3.2°C2 December 2002 | 36 / 36 |
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 36 to 37 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.