Cape Otway climate by month
Averages and records for each calendar month at Cape Otway, Australia, from 1864 to 2026. The warmest month is February, averaging 21.4°C; the coolest is July at 13.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 21.3°C | 13.4°C | 41.7°C22 January 1875 | 0.6°C28 January 1885 | 161 / 162 |
| February | 21.4°C | 14.0°C | 40.6°C11 February 1879 | −0.6°C3 February 1885 | 159 / 162 |
| March | 20.2°C | 13.3°C | 40.0°C7 March 1891 | −1.1°C8 March 1866 | 159 / 162 |
| April | 17.9°C | 11.7°C | 33.3°C3 April 1886 | 1.7°C24 April 1869 | 158 / 163 |
| May | 15.6°C | 10.1°C | 27.8°C14 May 1904 | 1.7°C24 May 1898 | 161 / 163 |
| June | 13.6°C | 8.5°C | 23.9°C16 June 1891 | 1.7°C30 June 1922 | 163 / 163 |
| July | 13.0°C | 7.6°C | 21.8°C29 July 1975 | 0.0°C17 July 1966 | 162 / 163 |
| August | 13.8°C | 7.9°C | 25.0°C20 August 1995 | 1.1°C11 August 1866 | 162 / 163 |
| September | 15.1°C | 8.6°C | 31.0°C26 September 1987 | −1.1°C9 September 1890 | 160 / 163 |
| October | 16.8°C | 9.6°C | 34.2°C24 October 1914 | −0.6°C6 October 1900 | 159 / 162 |
| November | 18.2°C | 10.8°C | 38.9°C10 November 1882 | 1.4°C14 November 1866 | 161 / 162 |
| December | 19.7°C | 12.1°C | 40.0°C27 December 1880 | 3.3°C15 December 1866 | 160 / 161 |
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 158 to 163 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.