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Bridgetown: weather history since 1910

Bridgetown is a weather station located 179 m above sea level, 1 km from Bridgetown. Its records go back to 1910: 97 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 15.4 °C, noticeably higher than over 1961–1990 (15.0 °C): a difference of 0.4 °C. The warmest year of the series is 2011 (16.3 °C) and the coldest 1952 (13.5 °C). The last complete year, 2024, ranks 2 out of 97, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.17 °C per decade. The station ranks 145 out of 227 stations, from the fastest rise to the slowest.

Annual mean temperature since 1910

1314151617
191019201930194019501960197019801990200020102025
Mean temperature of the year   10-year running mean   1961–1990 normal (15.0 °C)   1991–2020 normal (15.4 °C)

The first ten years of the series (1910–1920) average 14.3 °C; the last ten (2010–2024) average 15.7 °C, a difference of +1.4 °C. Of the ten warmest years in the series, 6 fall after 1999. The warmest is 2011 (16.3 °C). The ten-year running mean peaks at 15.7 °C (2015) and bottoms out at 14.2 °C (1925).

Annual rainfall since 1910

050010001500
191019201930194019501960197019801990200020102025
Rainfall of the year   Series average (732 mm)

On average 732 mm of rain falls per year over the 24 documented years. The wettest year, 2005, received 1012 mm; the driest, 2010, only 425 mm, which is 2.4 times less. Between 2006 and 2025, 11 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
January20.9 °C21.4 °C+0.5 °C–––
February21.0 °C21.4 °C+0.4 °C–13 mm–
March19.1 °C19.5 °C+0.4 °C–22 mm–
April15.6 °C16.4 °C+0.8 °C–51 mm–
May12.9 °C13.0 °C+0.1 °C–94 mm–
June11.0 °C11.0 °C0.0 °C–106 mm–
July10.0 °C10.2 °C+0.2 °C–124 mm–
August10.2 °C10.8 °C+0.6 °C–121 mm–
September11.4 °C11.7 °C+0.3 °C–87 mm–
October13.1 °C13.8 °C+0.7 °C–45 mm–
November16.0 °C16.6 °C+0.6 °C–34 mm–
December18.8 °C19.1 °C+0.3 °C–––

The largest temperature change is in April (+0.8 °C) and the smallest in June (0.0 °C); over the year the mean difference is +0.4 °C, and 11 months out of twelve are warmer than before.

Records at Bridgetown

  • Warmest year: 16.3 °C, in 2011
  • Coldest year: 13.5 °C, in 1952
  • Driest year: 425 mm, in 2010
  • Wettest year: 1012 mm, in 2005
  • Warmest month: 24.2 °C, in February 1985
  • Coldest month: 7.8 °C, in July 1922
  • Wettest month: 224 mm, in July 2025
  • Hottest day: 44.4 °C, on 8 February 1933
  • Coldest day: −5.4 °C, on 17 June 2006
  • Heaviest rain in one day: 90.6 mm, on 17 February 2003

2.8 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 49.8 °C.

Temperature trend over 1961–2025

The regression line of annual mean temperature changes by +0.17 °C per decade between 1961 and 2025, about +1.1 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.02 °C per decade: the station ranks 145 out of 227.

The last 24 months against the 1991–2020 normal

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

Over the last 24 months (September 2024 to August 2026), 11 months out of 14 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 (+2.2 °C); the lowest, in November 2025 (−0.2 °C).

Temperature and rainfall of recent months, compared with the 1991–2020 normals
MonthTemperatureDeparture from normalRainNormal rain
September 202412.4 °C+0.7 °C27 mm87 mm
October 202415.3 °C+1.5 °C43 mm45 mm
November 202417.1 °C+0.5 °C62 mm34 mm
December 202420.6 °C+1.5 °C6 mm–
January 202523.3 °C+1.9 °C14 mm–
February 202522.1 °C+0.7 °C9 mm13 mm
March 202521.7 °C+2.2 °C17 mm22 mm
April 202516.5 °C+0.1 °C82 mm51 mm
May 2025––36 mm94 mm
June 202511.7 °C+0.7 °C129 mm106 mm
July 202510.1 °C−0.1 °C224 mm124 mm
August 202510.8 °C0.0 °C166 mm121 mm
September 202512.3 °C+0.6 °C96 mm87 mm
October 202514.2 °C+0.4 °C62 mm45 mm
November 202516.4 °C−0.2 °C92 mm34 mm
December 2025––0 mm–
January 2026––5 mm–
February 2026––0 mm13 mm
March 2026––47 mm22 mm
April 2026––48 mm51 mm
May 2026––67 mm94 mm
June 2026––124 mm106 mm
July 2026––59 mm124 mm
August 2026––122 mm121 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 Bridgetown 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 Bridgetown?

Over 1991–2020, the annual mean temperature at Bridgetown is 15.4 °C. It was 15.0 °C over 1961–1990, a difference of +0.4 °C.

What is the warmest year ever measured at Bridgetown?

Since records began in 1910, the warmest year at Bridgetown is 2011, at 16.3 °C on average. The coldest is 1952 (13.5 °C).

Is the climate at Bridgetown getting warmer?

Yes: at Bridgetown, the annual mean temperature rises by 0.17 °C per decade between 1961 and 2025, +1.1 °C in total. 6 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

See all stations in the weather history