Ceduna Airport climate by month
Averages and records for each calendar month at Ceduna Airport, Australia, from 1939 to 2026. The warmest month is January, averaging 28.7°C; the coolest is July at 17.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 28.7°C | 15.3°C | 49.5°C26 January 2026 | 5.0°C1 January 1971 | 84 / 84 |
| February | 28.3°C | 15.1°C | 47.3°C10 February 2004 | 4.9°C4 February 1948 | 84 / 85 |
| March | 26.7°C | 13.4°C | 45.8°C6 March 1986 | 1.3°C30 March 1970 | 85 / 85 |
| April | 24.3°C | 10.8°C | 41.3°C9 April 2018 | −0.3°C29 April 1999 | 85 / 85 |
| May | 20.9°C | 8.5°C | 34.0°C4 May 1990 | −3.2°C18 May 1973 | 85 / 85 |
| June | 18.2°C | 6.5°C | 29.8°C3 June 1957 | −4.7°C13 June 1972 | 85 / 85 |
| July | 17.5°C | 5.8°C | 32.6°C29 July 1975 | −4.3°C18 July 1976 | 85 / 86 |
| August | 18.8°C | 6.2°C | 34.3°C29 August 2024 | −3.3°C18 August 1969 | 86 / 86 |
| September | 21.6°C | 7.9°C | 39.8°C17 September 2023 | −1.8°C8 September 2019 | 85 / 86 |
| October | 24.1°C | 10.1°C | 43.5°C31 October 1987 | −0.4°C6 October 1983 | 84 / 85 |
| November | 26.0°C | 12.4°C | 46.5°C19 November 2009 | 1.6°C2 November 1960 | 85 / 85 |
| December | 27.5°C | 14.2°C | 48.9°C19 December 2019 | 3.4°C4 December 1969 | 85 / 85 |
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 84 to 86 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.