Karratha Arpt climate by month
Averages and records for each calendar month at Karratha Arpt, Australia, from 1993 to 2026. The warmest month is March, averaging 36.3°C; the coolest is June at 26.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 36.1°C | 27.0°C | 48.4°C13 January 2022 | 20.5°C4 January 2007 | 31 / 33 |
| February | 36.0°C | 27.0°C | 47.7°C18 February 1998 | 19.4°C13 February 2013 | 30 / 33 |
| March | 36.3°C | 26.2°C | 45.8°C1 March 2005 | 18.5°C27 March 2001 | 33 / 33 |
| April | 34.4°C | 23.0°C | 41.3°C5 April 2005 | 14.7°C29 April 2006 | 32 / 33 |
| May | 30.0°C | 18.3°C | 38.3°C6 May 2019 | 10.5°C30 May 2023 | 33 / 33 |
| June | 26.6°C | 15.2°C | 32.8°C18 June 2010 | 7.1°C15 June 2006 | 32 / 33 |
| July | 26.6°C | 13.9°C | 34.0°C28 July 2017 | 6.9°C19 July 2006 | 30 / 33 |
| August | 28.5°C | 14.7°C | 39.1°C29 August 2020 | 8.0°C12 August 1995 | 32 / 34 |
| September | 31.2°C | 17.3°C | 40.7°C30 September 2006 | 10.0°C2 September 1993 | 31 / 34 |
| October | 34.2°C | 20.9°C | 44.7°C22 October 2002 | 11.1°C1 October 2009 | 32 / 33 |
| November | 35.0°C | 23.2°C | 44.8°C5 November 2013 | 16.0°C10 November 1995 | 32 / 33 |
| December | 36.2°C | 25.8°C | 46.9°C28 December 1996 | 18.7°C12 December 2008 | 32 / 33 |
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 30 to 33 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.