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Wellington (Agrowplow): weather history since 1882

Wellington (Agrowplow) is a weather station located 305 m above sea level, 1 km from Wellington. Its records go back to 1882: 32 years of temperature are available up to 2025, along with rainfall and a comparison with two reference normals. Over 1991–2020 the annual mean temperature there is 17.1 °C; the 1961–1990 period is not documented well enough to compare. The warmest year of the series is 2009 (18.1 °C) and the coldest 1966 (15.9 °C). The last complete year, 2018, ranks 2 out of 32, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.06 °C per decade. The station ranks 213 out of 227 stations, from the fastest rise to the slowest.

Annual mean temperature since 1882

1516171819
18821900192019401960198020002025
Mean temperature of the year   10-year running mean   1991–2020 normal (17.1 °C)

The first ten years of the series (1965–1994) average 16.9 °C; the last ten (2008–2018) average 17.1 °C, a difference of +0.2 °C. Of the ten warmest years in the series, 5 fall after 1999. The warmest is 2009 (18.1 °C). The ten-year running mean peaks at 17.2 °C (2018) and bottoms out at 16.9 °C (2008).

Annual rainfall since 1882

050010001500
18821900192019401960198020002025
Rainfall of the year   Series average (603 mm)

On average 603 mm of rain falls per year over the 103 documented years. The wettest year, 1973, received 1142 mm; the driest, 1982, only 281 mm, which is 4.1 times less. The 1991–2020 normal (627 mm per year) is 2 mm (0.3 %) above the 1961–1990 one (625 mm). Over 1991–2020, December is on average the wettest month (70 mm) and April the driest (33 mm). Between 2004 and 2025, 12 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–25.6 °C–68 mm58 mm−10 mm
February24.3 °C24.7 °C+0.4 °C53 mm55 mm+2 mm
March–21.7 °C–57 mm55 mm−2 mm
April–17.3 °C–47 mm33 mm−14 mm
May–13.0 °C–50 mm39 mm−11 mm
June–10.2 °C–36 mm49 mm+13 mm
July–9.1 °C–49 mm51 mm+2 mm
August–10.1 °C–51 mm41 mm−10 mm
September–13.2 °C–47 mm51 mm+4 mm
October–16.9 °C–59 mm60 mm+1 mm
November–20.6 °C–57 mm65 mm+8 mm
December–23.3 °C–51 mm70 mm+19 mm

For rainfall, the largest difference is in December (+19 mm) and the smallest in April (−14 mm).

Records at Wellington (Agrowplow)

  • Warmest year: 18.1 °C, in 2009
  • Coldest year: 15.9 °C, in 1966
  • Driest year: 281 mm, in 1982
  • Wettest year: 1142 mm, in 1973
  • Warmest month: 30.2 °C, in January 2019
  • Coldest month: 7.0 °C, in July 1982
  • Wettest month: 323 mm, in April 1990
  • Hottest day: 45.0 °C, on 11 February 2017
  • Coldest day: −5.7 °C, on 25 June 1971
  • Heaviest rain in one day: 178.8 mm, on 24 February 1955

2.2 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 50.7 °C.

Temperature trend over 1961–2025

The regression line of annual mean temperature changes by +0.06 °C per decade between 1961 and 2025, 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 213 out of 227.

The last 24 months against the 1991–2020 normal

−202
October 2024September 2026
Warmer than the 1991–2020 normal   Cooler than the 1991–2020 normal

Over the last 22 months (October 2024 to September 2026), 13 months out of 16 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.8 °C. The highest departure was in March 2025 (+2.6 °C); the lowest, in June 2025 (−1.3 °C). The last twelve months add up to 487 mm of rain, which is 78 % of the 1991–2020 annual normal (627 mm).

Temperature and rainfall of recent months, compared with the 1991–2020 normals
MonthTemperatureDeparture from normalRainNormal rain
October 202417.2 °C+0.3 °C52 mm60 mm
November 202422.9 °C+2.3 °C120 mm65 mm
December 2024––96 mm70 mm
February 202524.7 °C0.0 °C88 mm55 mm
March 202524.3 °C+2.6 °C54 mm55 mm
April 202518.0 °C+0.7 °C59 mm33 mm
May 202514.5 °C+1.5 °C48 mm39 mm
June 20258.9 °C−1.3 °C47 mm49 mm
July 20259.2 °C+0.1 °C40 mm51 mm
August 202510.6 °C+0.5 °C25 mm41 mm
September 202513.2 °C0.0 °C118 mm51 mm
October 2025––10 mm60 mm
November 2025––11 mm65 mm
December 202523.6 °C+0.3 °C60 mm70 mm
January 2026––7 mm58 mm
February 202626.1 °C+1.4 °C55 mm55 mm
March 202623.2 °C+1.5 °C42 mm55 mm
April 202618.2 °C+0.9 °C1 mm33 mm
June 2026––48 mm49 mm
July 20269.7 °C+0.6 °C44 mm51 mm
August 202611.2 °C+1.1 °C89 mm41 mm
September 2026––2 mm51 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 Wellington (Agrowplow) 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 Wellington (Agrowplow)?

Over 1991–2020, the annual mean temperature at Wellington (Agrowplow) is 17.1 °C.

What is the warmest year ever measured at Wellington (Agrowplow)?

Since records began in 1882, the warmest year at Wellington (Agrowplow) is 2009, at 18.1 °C on average. The coldest is 1966 (15.9 °C).

Is the climate at Wellington (Agrowplow) getting warmer?

Yes: at Wellington (Agrowplow), the annual mean temperature rises by 0.06 °C per decade between 1961 and 2025, +0.4 °C in total. 5 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

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