Whyalla Airport Aws climate by month
Averages and records for each calendar month at Whyalla Airport Aws, Australia, from 1982 to 2026. The warmest month is January, averaging 30.2°C; the coolest is July at 17.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 30.2°C | 17.9°C | 48.5°C24 January 2019 | 5.9°C23 January 1989 | 42 / 43 |
| February | 29.7°C | 17.7°C | 48.0°C7 February 2009 | 8.6°C2 February 1989 | 39 / 41 |
| March | 27.5°C | 15.8°C | 44.1°C6 March 1986 | 5.5°C28 March 1984 | 41 / 42 |
| April | 24.2°C | 12.0°C | 40.4°C2 April 2005 | 2.2°C23 April 1999 | 39 / 41 |
| May | 20.3°C | 8.7°C | 32.9°C3 May 1988 | −0.4°C24 May 2006 | 42 / 43 |
| June | 17.2°C | 6.3°C | 26.3°C7 June 2005 | −3.2°C12 June 1984 | 41 / 44 |
| July | 17.1°C | 5.3°C | 27.0°C27 July 1985 | −3.2°C16 July 1982 | 44 / 44 |
| August | 18.7°C | 6.0°C | 32.4°C20 August 1995 | −2.0°C3 August 2014 | 44 / 44 |
| September | 21.7°C | 8.2°C | 38.0°C27 September 2008 | −0.7°C7 September 1995 | 42 / 44 |
| October | 24.2°C | 10.9°C | 42.1°C17 October 1998 | 0.3°C23 October 1985 | 43 / 43 |
| November | 26.5°C | 14.0°C | 46.1°C30 November 1993 | 4.4°C20 November 1989 | 43 / 43 |
| December | 28.3°C | 16.1°C | 46.8°C27 December 2018 | 4.7°C2 December 1987 | 43 / 43 |
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 39 to 44 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.