Cape Borda is a weather station located 158 m above sea level. Its records go back to 1963: 49 years of temperature are available up to 2024, along with rainfall and a comparison with two reference normals. Over 1991–2020 the annual mean temperature there is 15.4 °C, noticeably higher than over 1961–1990 (15.0 °C): a difference of 0.4 °C. The warmest year of the series is 2013 (16.3 °C) and the coldest 1964 (14.2 °C). The last complete year, 2024, ranks 7 out of 49, from warmest to coldest. Over 1963–2024, the annual mean temperature changes by +0.13 °C per decade. The station ranks 185 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1963
The first ten years of the series (1963–1975) average 15.0 °C; the last ten (2013–2024) average 15.6 °C, a difference of +0.6 °C. Of the ten warmest years in the series, 7 fall after 1999. The warmest is 2013 (16.3 °C). The ten-year running mean peaks at 15.7 °C (2018) and bottoms out at 14.9 °C (1992).
Monthly normals: 1961–1990 against 1991–2020
The table compares, month by month, the mean temperature and the rainfall total of two thirty-year reference periods. The difference column shows what the recent period changes compared with the earlier one.
| Month | Temp. 1961–1990 | Temp. 1991–2020 | Difference | Rain 1961–1990 | Rain 1991–2020 | Difference |
|---|---|---|---|---|---|---|
| January | 18.8 °C | 19.4 °C | +0.6 °C | – | – | – |
| February | 19.3 °C | 19.7 °C | +0.4 °C | – | – | – |
| March | 17.7 °C | 18.0 °C | +0.3 °C | – | – | – |
| April | 15.8 °C | 16.1 °C | +0.3 °C | – | – | – |
| May | 13.9 °C | 14.1 °C | +0.2 °C | – | – | – |
| June | 12.3 °C | 12.6 °C | +0.3 °C | – | – | – |
| July | 11.5 °C | 12.0 °C | +0.5 °C | – | – | – |
| August | 11.8 °C | 12.0 °C | +0.2 °C | – | – | – |
| September | 12.4 °C | 12.8 °C | +0.4 °C | – | – | – |
| October | 13.7 °C | 14.2 °C | +0.5 °C | – | – | – |
| November | 15.4 °C | 16.2 °C | +0.8 °C | – | – | – |
| December | 17.0 °C | 17.5 °C | +0.5 °C | – | – | – |
The largest temperature change is in November (+0.8 °C) and the smallest in May (+0.2 °C); over the year the mean difference is +0.4 °C, and 12 months out of twelve are warmer than before.
Records at Cape Borda
- Warmest year: 16.3 °C, in 2013
- Coldest year: 14.2 °C, in 1964
- Driest year: 383 mm, in 2024
- Wettest year: 700 mm, in 2022
- Warmest month: 22.6 °C, in February 1997
- Coldest month: 10.5 °C, in August 1970
- Wettest month: 176 mm, in June 2023
- Hottest day: 40.0 °C, on 28 January 2009
- Coldest day: 2.8 °C, on 17 July 1965
- Heaviest rain in one day: 81.2 mm, on 7 November 2005
2.1 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 37.2 °C.
Temperature trend over 1963–2024
The regression line of annual mean temperature changes by +0.13 °C per decade between 1963 and 2024, about +0.8 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.06 °C per decade: the station ranks 185 out of 227.
The last 24 months against the 1991–2020 normal
Over the last 22 months (October 2024 to September 2026), 8 months out of 11 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.3 °C. The highest departure was in March 2025 (+2.1 °C); the lowest, in November 2025 (−2.1 °C).
| Month | Temperature | Departure from normal | Rain | Normal rain |
|---|---|---|---|---|
| October 2024 | 15.1 °C | +0.9 °C | 42 mm | – |
| November 2024 | 16.6 °C | +0.4 °C | 24 mm | – |
| December 2024 | 18.6 °C | +1.1 °C | 20 mm | – |
| February 2025 | – | – | 6 mm | – |
| March 2025 | 20.1 °C | +2.1 °C | 6 mm | – |
| April 2025 | 16.9 °C | +0.8 °C | – | – |
| May 2025 | 14.4 °C | +0.3 °C | 40 mm | – |
| June 2025 | 12.7 °C | +0.1 °C | 122 mm | – |
| July 2025 | 11.9 °C | −0.1 °C | 126 mm | – |
| August 2025 | 11.7 °C | −0.3 °C | 66 mm | – |
| September 2025 | 13.2 °C | +0.4 °C | 44 mm | – |
| October 2025 | – | – | 52 mm | – |
| November 2025 | 14.1 °C | −2.1 °C | 49 mm | – |
| December 2025 | – | – | 14 mm | – |
| January 2026 | – | – | 0 mm | – |
| February 2026 | – | – | 13 mm | – |
| March 2026 | – | – | 14 mm | – |
| April 2026 | – | – | 55 mm | – |
| May 2026 | – | – | 96 mm | – |
| June 2026 | – | – | 136 mm | – |
| August 2026 | – | – | 92 mm | – |
| September 2026 | – | – | 32 mm | – |
Data source and licence
Data source: Bureau of Meteorology (ACORN-SAT) and NOAA NCEI (GHCN-Daily) (dataset “ACORN-SAT v2 daily (homogenised) + GHCN-Daily”), licence CC BY 4.0; Public domain (NOAA NCEI). Last updated: 29 October 2026.
The data for Cape Borda are shown as the source publishes them; this site does not correct them. A year is kept only if at least eleven months of measurements are available, and a normal is computed only with at least twenty years of data out of its thirty. Temperatures are rounded to 0.1 °C and rainfall to the millimetre. The station is one of 227 stations in Australia: the overview page lets you compare them.
Frequently asked questions
What is the annual mean temperature at Cape Borda?
Over 1991–2020, the annual mean temperature at Cape Borda is 15.4 °C. It was 15.0 °C over 1961–1990, a difference of +0.4 °C.
What is the warmest year ever measured at Cape Borda?
Since records began in 1963, the warmest year at Cape Borda is 2013, at 16.3 °C on average. The coldest is 1964 (14.2 °C).
Is the climate at Cape Borda getting warmer?
Yes: at Cape Borda, the annual mean temperature rises by 0.13 °C per decade between 1963 and 2024, +0.8 °C in total. 7 of the 10 warmest years in the series fall after 1999.
Neighbouring stations