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Keith: weather history since 1907

Keith is a weather station located 29 m above sea level, 1 km from Keith. Its records go back to 1907: 54 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 15.9 °C, barely higher than over 1961–1990 (15.7 °C): a difference of 0.1 °C. The warmest year of the series is 2007 (16.6 °C) and the coldest 1964 (14.7 °C). The last complete year, 2021, ranks 25 out of 54, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.10 °C per decade. The station ranks 204 out of 227 stations, from the fastest rise to the slowest.

Annual mean temperature since 1907

14151617
190719201930194019501960197019801990200020102025
Mean temperature of the year   10-year running mean   1961–1990 normal (15.7 °C)   1991–2020 normal (15.9 °C)

The first ten years of the series (1962–1971) average 15.4 °C; the last ten (2008–2021) average 16.1 °C, a difference of +0.7 °C. Of the ten warmest years in the series, 6 fall after 1999. The warmest is 2007 (16.6 °C). The ten-year running mean peaks at 16.2 °C (2016) and bottoms out at 15.4 °C (1969).

Annual rainfall since 1907

0200400600800
190719201930194019501960197019801990200020102025
Rainfall of the year   Series average (459 mm)

On average 459 mm of rain falls per year over the 118 documented years. The wettest year, 1947, received 719 mm; the driest, 2006, only 247 mm, which is 2.9 times less. The 1991–2020 normal (429 mm per year) is 50 mm (10.4 %) below the 1961–1990 one (479 mm). Over 1991–2020, August is on average the wettest month (57 mm) and February the driest (16 mm). Between 2006 and 2025, 6 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
January21.4 °C21.9 °C+0.5 °C20 mm21 mm+1 mm
February21.8 °C21.8 °C0.0 °C18 mm16 mm−2 mm
March19.5 °C19.1 °C−0.4 °C23 mm18 mm−5 mm
April16.1 °C16.0 °C−0.1 °C35 mm27 mm−8 mm
May13.2 °C13.1 °C−0.1 °C53 mm43 mm−10 mm
June10.7 °C10.8 °C+0.1 °C52 mm53 mm+1 mm
July10.2 °C10.5 °C+0.3 °C59 mm56 mm−3 mm
August11.0 °C11.1 °C+0.1 °C63 mm57 mm−6 mm
September12.7 °C12.9 °C+0.2 °C49 mm48 mm−1 mm
October14.9 °C15.1 °C+0.2 °C47 mm31 mm−16 mm
November17.5 °C18.0 °C+0.5 °C33 mm30 mm−3 mm
December19.8 °C20.0 °C+0.2 °C27 mm29 mm+2 mm

The largest temperature change is in January (+0.5 °C) and the smallest in March (−0.4 °C); over the year the mean difference is +0.1 °C, and 8 months out of twelve are warmer than before. For rainfall, the largest difference is in December (+2 mm) and the smallest in October (−16 mm).

Records at Keith

  • Warmest year: 16.6 °C, in 2007
  • Coldest year: 14.7 °C, in 1964
  • Driest year: 247 mm, in 2006
  • Wettest year: 719 mm, in 1947
  • Warmest month: 24.8 °C, in January 2001
  • Coldest month: 8.1 °C, in June 2007
  • Wettest month: 152 mm, in October 1975
  • Hottest day: 47.8 °C, on 20 December 2019
  • Coldest day: −4.3 °C, on 10 June 1964
  • Heaviest rain in one day: 65.8 mm, on 7 March 1910

1.9 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 52.1 °C.

Temperature trend over 1961–2025

The regression line of annual mean temperature changes by +0.10 °C per decade between 1961 and 2025, about +0.6 °C over the whole period. That is slower than the median of the 227 stations (+0.19 °C per decade), by 0.09 °C per decade: the station ranks 204 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 24 months (October 2024 to September 2026), 15 months out of 20 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.5 °C. The highest departure was in January 2026 (+2.0 °C); the lowest, in November 2025 (−1.9 °C). The last twelve months add up to 512 mm of rain, which is 119 % of the 1991–2020 annual normal (429 mm).

Temperature and rainfall of recent months, compared with the 1991–2020 normals
MonthTemperatureDeparture from normalRainNormal rain
October 202416.1 °C+1.0 °C33 mm31 mm
November 202419.0 °C+1.0 °C32 mm30 mm
December 202421.4 °C+1.4 °C25 mm29 mm
January 202523.1 °C+1.2 °C5 mm21 mm
February 202522.8 °C+1.0 °C0 mm16 mm
March 2025––8 mm18 mm
April 2025––10 mm27 mm
May 2025––16 mm43 mm
June 202510.7 °C−0.1 °C70 mm53 mm
July 202510.4 °C−0.1 °C90 mm56 mm
August 202510.7 °C−0.4 °C64 mm57 mm
September 202513.3 °C+0.4 °C40 mm48 mm
October 202515.4 °C+0.3 °C50 mm31 mm
November 202516.1 °C−1.9 °C64 mm30 mm
December 202519.5 °C−0.5 °C12 mm29 mm
January 202623.9 °C+2.0 °C0 mm21 mm
February 202622.1 °C+0.3 °C25 mm16 mm
March 202619.3 °C+0.2 °C39 mm18 mm
April 202617.2 °C+1.2 °C24 mm27 mm
May 202614.9 °C+1.8 °C48 mm43 mm
June 202611.8 °C+1.0 °C103 mm53 mm
July 202610.8 °C+0.3 °C60 mm56 mm
August 202611.8 °C+0.7 °C54 mm57 mm
September 2026––33 mm48 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 Keith 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 Keith?

Over 1991–2020, the annual mean temperature at Keith is 15.9 °C. It was 15.7 °C over 1961–1990, a difference of +0.1 °C.

What is the warmest year ever measured at Keith?

Since records began in 1907, the warmest year at Keith is 2007, at 16.6 °C on average. The coldest is 1964 (14.7 °C).

Is the climate at Keith getting warmer?

Yes: at Keith, the annual mean temperature rises by 0.10 °C per decade between 1961 and 2025, +0.6 °C in total. 6 of the 10 warmest years in the series fall after 1999.

Towns near this station

Neighbouring stations

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