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Corowa Airport: weather history since 1890

Corowa Airport is a weather station located 143 m above sea level, 2 km from Corowa. Its records go back to 1890: 24 years of temperature are available up to 2017, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2017. Over the whole series (24 years) the annual mean temperature there is 15.6 °C; the 1961–1990 and 1991–2020 reference periods are not documented well enough for a comparison. The warmest year of the series is 2007 (17.1 °C) and the coldest 1985 (14.7 °C). The last complete year, 2010, ranks 9 out of 24, from warmest to coldest. Over 1961–2017, the annual mean temperature changes by +0.12 °C per decade. The station ranks 192 out of 227 stations, from the fastest rise to the slowest.

Annual mean temperature since 1890

1415161718
1890190019101920193019401950196019701980199020002017
Mean temperature of the year   10-year running mean

The first ten years of the series (1971–1992) average 15.5 °C; the last ten (1997–2010) average 16.0 °C, a difference of +0.5 °C. Of the ten warmest years in the series, 3 fall after 1999. The warmest is 2007 (17.1 °C). The ten-year running mean peaks at 16.0 °C (2007) and bottoms out at 15.2 °C (1996).

Annual rainfall since 1890

050010001500
1890190019101920193019401950196019701980199020002017
Rainfall of the year   Series average (542 mm)

On average 542 mm of rain falls per year over the 126 documented years. The wettest year, 1939, received 1005 mm; the driest, 2006, only 250 mm, which is 4.0 times less. The 1991–2020 normal (540 mm per year) is 21 mm (3.7 %) below the 1961–1990 one (561 mm). Over 1991–2020, July is on average the wettest month (56 mm) and April the driest (30 mm). Between 1997 and 2017, 8 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.

Monthly temperature and rainfall normals, 1961–1990 and 1991–2020
MonthTemp. 1961–1990Temp. 1991–2020DifferenceRain 1961–1990Rain 1991–2020Difference
January–24.4 °C–39 mm42 mm+3 mm
February–23.9 °C–28 mm46 mm+18 mm
March–20.2 °C–33 mm35 mm+2 mm
April–15.9 °C–44 mm30 mm−14 mm
May–11.9 °C–60 mm40 mm−20 mm
June–9.2 °C–48 mm50 mm+2 mm
July–8.4 °C–61 mm56 mm−5 mm
August–9.5 °C–62 mm50 mm−12 mm
September–12.0 °C–51 mm50 mm−1 mm
October–15.0 °C–54 mm46 mm−8 mm
November–18.9 °C–39 mm51 mm+12 mm
December–––42 mm44 mm+2 mm

For rainfall, the largest difference is in February (+18 mm) and the smallest in May (−20 mm).

Records at Corowa Airport

  • Warmest year: 17.1 °C, in 2007
  • Coldest year: 14.7 °C, in 1985
  • Driest year: 250 mm, in 2006
  • Wettest year: 1005 mm, in 1939
  • Warmest month: 27.2 °C, in January 2006
  • Coldest month: 6.0 °C, in July 1982
  • Wettest month: 283 mm, in February 2011
  • Hottest day: 47.0 °C, on 28 January 2026
  • Coldest day: −5.0 °C, on 14 June 2006
  • Heaviest rain in one day: 125.5 mm, on 7 January 1934

2.4 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 52.0 °C.

Temperature trend over 1961–2017

The regression line of annual mean temperature changes by +0.12 °C per decade between 1961 and 2017, about +0.7 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.07 °C per decade: the station ranks 192 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 Corowa Airport 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 Corowa Airport?

Over the whole series (24 years), the annual mean temperature at Corowa Airport is 15.6 °C.

What is the warmest year ever measured at Corowa Airport?

Since records began in 1890, the warmest year at Corowa Airport is 2007, at 17.1 °C on average. The coldest is 1985 (14.7 °C).

Is the climate at Corowa Airport getting warmer?

Yes: at Corowa Airport, the annual mean temperature rises by 0.12 °C per decade between 1961 and 2017, +0.7 °C in total. 3 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

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