Winton Post Office is a weather station located 182 m above sea level, 1 km from Winton. Its records go back to 1888: 49 years of temperature are available up to 2011, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2011. Over the whole series (49 years) the annual mean temperature there is 24.6 °C; the 1961–1990 and 1991–2020 reference periods are not documented well enough for a comparison. The warmest year of the series is 2005 (25.8 °C) and the coldest 1974 (22.7 °C). The last complete year, 2009, ranks 17 out of 49, from warmest to coldest. Over 1961–2011, the annual mean temperature changes by +0.32 °C per decade. The station ranks 13 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1888
The first ten years of the series (1957–1966) average 24.0 °C; the last ten (1998–2009) average 25.1 °C, a difference of +1.2 °C. Of the ten warmest years in the series, 5 fall after 1999. The warmest is 2005 (25.8 °C). The ten-year running mean peaks at 25.1 °C (2005) and bottoms out at 23.9 °C (1964).
Annual rainfall since 1888
On average 408 mm of rain falls per year over the 121 documented years. The wettest year, 2000, received 1171 mm; the driest, 2002, only 53 mm, which is 22.1 times less. The 1991–2020 normal (436 mm per year) is 35 mm (8.7 %) above the 1961–1990 one (401 mm). Over 1991–2020, February is on average the wettest month (108 mm) and July the driest (5 mm). Between 1992 and 2011, 9 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 | 30.5 °C | 30.7 °C | +0.2 °C | 78 mm | 85 mm | +7 mm |
| February | 29.8 °C | 30.1 °C | +0.3 °C | 80 mm | 108 mm | +28 mm |
| March | 27.9 °C | 28.5 °C | +0.6 °C | 51 mm | 51 mm | 0 mm |
| April | 24.6 °C | 25.2 °C | +0.6 °C | 33 mm | 18 mm | −15 mm |
| May | 20.3 °C | 20.8 °C | +0.5 °C | 23 mm | 13 mm | −10 mm |
| June | 16.7 °C | 17.7 °C | +1.0 °C | 11 mm | 18 mm | +7 mm |
| July | 16.0 °C | – | – | 17 mm | 5 mm | −12 mm |
| August | 18.0 °C | – | – | 6 mm | 10 mm | +4 mm |
| September | 22.0 °C | 23.3 °C | +1.3 °C | 7 mm | 8 mm | +1 mm |
| October | 26.1 °C | 27.0 °C | +0.9 °C | 16 mm | 19 mm | +3 mm |
| November | 28.9 °C | 29.2 °C | +0.3 °C | 28 mm | 45 mm | +17 mm |
| December | 30.3 °C | – | – | 51 mm | 56 mm | +5 mm |
For rainfall, the largest difference is in February (+28 mm) and the smallest in April (−15 mm).
Records at Winton Post Office
- Warmest year: 25.8 °C, in 2005
- Coldest year: 22.7 °C, in 1974
- Driest year: 53 mm, in 2002
- Wettest year: 1171 mm, in 2000
- Warmest month: 33.4 °C, in January 1994
- Coldest month: 13.8 °C, in July 1963
- Wettest month: 563 mm, in January 1974
- Hottest day: 46.8 °C, on 1 December 2006
- Coldest day: −1.7 °C, on 25 July 1968
- Heaviest rain in one day: 186.0 mm, on 4 February 1976
3.1 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 48.5 °C.
Temperature trend over 1961–2011
The regression line of annual mean temperature changes by +0.32 °C per decade between 1961 and 2011, about +1.6 °C over the whole period. That is faster than the median of the 227 stations (+0.19 °C per decade), by 0.13 °C per decade: the station ranks 13 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 Winton Post Office 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 Winton Post Office?
Over the whole series (49 years), the annual mean temperature at Winton Post Office is 24.6 °C.
What is the warmest year ever measured at Winton Post Office?
Since records began in 1888, the warmest year at Winton Post Office is 2005, at 25.8 °C on average. The coldest is 1974 (22.7 °C).
Is the climate at Winton Post Office getting warmer?
Yes: at Winton Post Office, the annual mean temperature rises by 0.32 °C per decade between 1961 and 2011, +1.6 °C in total. 5 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations