Quirindi Post Office is a weather station located 390 m above sea level, 0 km from Quirindi. Its records go back to 1884: 20 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 (20 years) the annual mean temperature there is 17.1 °C; the 1961–1990 and 1991–2020 reference periods are not documented well enough for a comparison. The warmest year of the series is 2009 (18.7 °C) and the coldest 2008 (15.4 °C). The last complete year, 2019, ranks 2 out of 20, from warmest to coldest. Over 1961–2020, the annual mean temperature changes by +0.19 °C per decade. The station ranks 115 out of 227 stations, from the fastest rise to the slowest.
Annual mean temperature since 1884
The first ten years of the series (1976–1993) average 16.9 °C; the last ten (1995–2019) average 17.3 °C, a difference of +0.4 °C. Of the ten warmest years in the series, 4 fall after 1999. The warmest is 2009 (18.7 °C).
Annual rainfall since 1884
On average 665 mm of rain falls per year over the 132 documented years. The wettest year, 1921, received 1149 mm; the driest, 2019, only 304 mm, which is 3.8 times less. The 1991–2020 normal (652 mm per year) is 31 mm (4.5 %) below the 1961–1990 one (683 mm). Over 1991–2020, December is on average the wettest month (88 mm) and April the driest (30 mm). Between 2001 and 2020, 5 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 | – | 25.4 °C | – | 106 mm | 67 mm | −39 mm |
| February | – | 24.2 °C | – | 62 mm | 66 mm | +4 mm |
| March | – | 21.7 °C | – | 51 mm | 45 mm | −6 mm |
| April | – | 17.3 °C | – | 40 mm | 30 mm | −10 mm |
| May | – | 13.2 °C | – | 47 mm | 41 mm | −6 mm |
| June | – | 10.2 °C | – | 40 mm | 51 mm | +11 mm |
| July | – | 9.2 °C | – | 49 mm | 47 mm | −2 mm |
| August | 10.5 °C | 10.6 °C | +0.1 °C | 44 mm | 37 mm | −7 mm |
| September | – | 14.1 °C | – | 44 mm | 48 mm | +4 mm |
| October | – | – | – | 59 mm | 60 mm | +1 mm |
| November | – | 20.8 °C | – | 66 mm | 72 mm | +6 mm |
| December | – | 23.2 °C | – | 75 mm | 88 mm | +13 mm |
For rainfall, the largest difference is in December (+13 mm) and the smallest in January (−39 mm).
Records at Quirindi Post Office
- Warmest year: 18.7 °C, in 2009
- Coldest year: 15.4 °C, in 2008
- Driest year: 304 mm, in 2019
- Wettest year: 1149 mm, in 1921
- Warmest month: 30.4 °C, in January 2019
- Coldest month: 7.3 °C, in July 2007
- Wettest month: 352 mm, in February 1955
- Hottest day: 45.1 °C, on 3 January 2014
- Coldest day: −6.7 °C, on 29 July 1965
- Heaviest rain in one day: 136.7 mm, on 3 March 1921
3.3 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 51.8 °C.
Temperature trend over 1961–2020
The regression line of annual mean temperature changes by +0.19 °C per decade between 1961 and 2020, about +1.1 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.00 °C per decade: the station ranks 115 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 Quirindi 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 Quirindi Post Office?
Over the whole series (20 years), the annual mean temperature at Quirindi Post Office is 17.1 °C.
What is the warmest year ever measured at Quirindi Post Office?
Since records began in 1884, the warmest year at Quirindi Post Office is 2009, at 18.7 °C on average. The coldest is 2008 (15.4 °C).
Is the climate at Quirindi Post Office getting warmer?
Yes: at Quirindi Post Office, the annual mean temperature rises by 0.19 °C per decade between 1961 and 2020, +1.1 °C in total. 4 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations