Donnybrook is a weather station located 63 m above sea level, 0 km from Donnybrook. Its records go back to 1907: 85 years of temperature are available up to 2020, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2020. Over the whole series (85 years) the annual mean temperature there is 16.3 °C; the 1961–1990 and 1991–2020 reference periods are not documented well enough for a comparison. The warmest year of the series is 1983 (17.6 °C) and the coldest 1908 (14.6 °C). The last complete year, 2010, ranks 18 out of 85, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.06 °C per decade. The station ranks 214 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1907
The first ten years of the series (1907–1916) average 16.0 °C; the last ten (1993–2010) average 16.8 °C, a difference of +0.8 °C. Of the ten warmest years in the series, 1 fall after 1999. The warmest is 1983 (17.6 °C). The ten-year running mean peaks at 16.8 °C (1988) and bottoms out at 15.8 °C (1931).
Annual rainfall since 1907
On average 969 mm of rain falls per year over the 113 documented years. The wettest year, 1926, received 1532 mm; the driest, 2010, only 505 mm, which is 3.0 times less. The 1991–2020 normal (887 mm per year) is 78 mm (8.1 %) below the 1961–1990 one (965 mm). Over 1991–2020, July is on average the wettest month (176 mm) and February the driest (12 mm). Between 2001 and 2020, 4 years out of 20 exceeded the series average.
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 | 22.6 °C | – | – | 16 mm | 13 mm | −3 mm |
| February | 23.0 °C | 23.1 °C | +0.1 °C | 17 mm | 12 mm | −5 mm |
| March | 21.0 °C | – | – | 23 mm | 23 mm | 0 mm |
| April | 17.3 °C | – | – | 60 mm | 39 mm | −21 mm |
| May | 14.4 °C | 14.8 °C | +0.4 °C | 123 mm | 121 mm | −2 mm |
| June | 12.4 °C | 12.3 °C | −0.1 °C | 195 mm | 150 mm | −45 mm |
| July | 11.3 °C | 11.6 °C | +0.3 °C | 179 mm | 176 mm | −3 mm |
| August | 11.6 °C | 12.2 °C | +0.6 °C | 142 mm | 151 mm | +9 mm |
| September | 13.1 °C | – | – | 93 mm | 104 mm | +11 mm |
| October | 14.9 °C | 15.4 °C | +0.5 °C | 63 mm | 45 mm | −18 mm |
| November | 17.6 °C | – | – | 39 mm | 35 mm | −4 mm |
| December | 20.4 °C | – | – | 15 mm | 18 mm | +3 mm |
For rainfall, the largest difference is in September (+11 mm) and the smallest in June (−45 mm).
Records at Donnybrook
- Warmest year: 17.6 °C, in 1983
- Coldest year: 14.6 °C, in 1908
- Driest year: 505 mm, in 2010
- Wettest year: 1532 mm, in 1926
- Warmest month: 26.3 °C, in February 1985
- Coldest month: 8.7 °C, in June 1931
- Wettest month: 436 mm, in June 1945
- Hottest day: 44.6 °C, on 8 February 1933
- Coldest day: −3.0 °C, on 2 July 1982
- Heaviest rain in one day: 126.0 mm, on 9 April 1985
3.0 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 47.6 °C.
Temperature trend over 1961–2020
The regression line of annual mean temperature changes by +0.06 °C per decade between 1961 and 2020, about +0.4 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.13 °C per decade: the station ranks 214 out of 227.
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 Donnybrook 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 Donnybrook?
Over the whole series (85 years), the annual mean temperature at Donnybrook is 16.3 °C.
What is the warmest year ever measured at Donnybrook?
Since records began in 1907, the warmest year at Donnybrook is 1983, at 17.6 °C on average. The coldest is 1908 (14.6 °C).
Is the climate at Donnybrook getting warmer?
Yes: at Donnybrook, the annual mean temperature rises by 0.06 °C per decade between 1961 and 2020, +0.4 °C in total. 1 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations