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Scoresby Research Institute: weather history since 1948

Scoresby Research Institute is a weather station located 80 m above sea level. Its records go back to 1948: 48 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 15.1 °C, noticeably higher than over 1961–1990 (14.5 °C): a difference of 0.5 °C. The warmest year of the series is 2018 (15.9 °C) and the coldest 1966 (13.4 °C). The last complete year, 2025, ranks 2 out of 48, from warmest to coldest. Over 1961–2025, the annual mean temperature changes by +0.19 °C per decade. The station ranks 111 out of 227 stations, from the fastest rise to the slowest.

Annual mean temperature since 1948

1314151617
19481960197019801990200020102025
Mean temperature of the year   10-year running mean   1961–1990 normal (14.5 °C)   1991–2020 normal (15.1 °C)

The first ten years of the series (1965–1974) average 14.3 °C; the last ten (2016–2025) average 15.4 °C, a difference of +1.1 °C. All of the 10 warmest years in the series fall after 1999; the warmest is 2018 (15.9 °C). The ten-year running mean peaks at 15.4 °C (2025) and bottoms out at 14.2 °C (1972).

Annual rainfall since 1948

050010001500
19481960197019801990200020102025
Rainfall of the year   Series average (856 mm)

On average 856 mm of rain falls per year over the 66 documented years. The wettest year, 1952, received 1237 mm; the driest, 2006, only 562 mm, which is 2.2 times less. The 1991–2020 normal (796 mm per year) is 52 mm (6.1 %) below the 1961–1990 one (848 mm). Over 1991–2020, November is on average the wettest month (83 mm) and March the driest (47 mm). Between 2005 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
January19.4 °C20.7 °C+1.3 °C58 mm52 mm−6 mm
February20.4 °C20.5 °C+0.1 °C43 mm60 mm+17 mm
March18.3 °C18.7 °C+0.4 °C58 mm47 mm−11 mm
April15.1 °C15.3 °C+0.2 °C66 mm63 mm−3 mm
May12.3 °C12.5 °C+0.2 °C99 mm69 mm−30 mm
June9.8 °C10.3 °C+0.5 °C66 mm71 mm+5 mm
July9.3 °C10.0 °C+0.7 °C75 mm64 mm−11 mm
August10.3 °C10.5 °C+0.2 °C88 mm71 mm−17 mm
September11.8 °C12.5 °C+0.7 °C77 mm73 mm−4 mm
October13.9 °C14.4 °C+0.5 °C78 mm67 mm−11 mm
November15.8 °C16.8 °C+1.0 °C70 mm83 mm+13 mm
December17.9 °C18.5 °C+0.6 °C70 mm76 mm+6 mm

The largest temperature change is in January (+1.3 °C) and the smallest in February (+0.1 °C); over the year the mean difference is +0.5 °C, and 12 months out of twelve are warmer than before. For rainfall, the largest difference is in February (+17 mm) and the smallest in May (−30 mm).

Records at Scoresby Research Institute

  • Warmest year: 15.9 °C, in 2018
  • Coldest year: 13.4 °C, in 1966
  • Driest year: 562 mm, in 2006
  • Wettest year: 1237 mm, in 1952
  • Warmest month: 23.6 °C, in January 2022
  • Coldest month: 7.9 °C, in July 1982
  • Wettest month: 212 mm, in February 2011
  • Hottest day: 46.1 °C, on 7 February 2009
  • Coldest day: −3.6 °C, on 23 July 1994
  • Heaviest rain in one day: 145.4 mm, on 3 February 2005

2.5 °C separate the warmest year of the series from the coldest. Between the hottest and the coldest day on record, the range reaches 49.7 °C.

Temperature trend over 1961–2025

The regression line of annual mean temperature changes by +0.19 °C per decade between 1961 and 2025, about +1.2 °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 111 out of 227.

The last 24 months against the 1991–2020 normal

−4−2024
August 2024July 2026
Warmer than the 1991–2020 normal   Cooler than the 1991–2020 normal

Over the last 24 months (August 2024 to July 2026), 14 months out of 18 were warmer than the 1991–2020 normal for the same month; the mean departure is +0.8 °C. The highest departure was in August 2024 (+2.9 °C); the lowest, in November 2025 (−1.4 °C). The last twelve months add up to 663 mm of rain, which is 83 % of the 1991–2020 annual normal (796 mm).

Temperature and rainfall of recent months, compared with the 1991–2020 normals
MonthTemperatureDeparture from normalRainNormal rain
August 202413.4 °C+2.9 °C17 mm71 mm
September 202412.8 °C+0.3 °C28 mm73 mm
October 2024––85 mm67 mm
November 202418.3 °C+1.5 °C68 mm83 mm
December 202420.1 °C+1.6 °C50 mm76 mm
January 202521.3 °C+0.6 °C48 mm52 mm
February 202522.0 °C+1.5 °C30 mm60 mm
March 202520.4 °C+1.7 °C55 mm47 mm
April 202517.6 °C+2.3 °C19 mm63 mm
May 2025––18 mm69 mm
June 202510.2 °C−0.1 °C65 mm71 mm
July 202510.2 °C+0.2 °C69 mm64 mm
August 202510.2 °C−0.3 °C42 mm71 mm
September 202513.1 °C+0.6 °C27 mm73 mm
October 202514.6 °C+0.2 °C72 mm67 mm
November 202515.4 °C−1.4 °C165 mm83 mm
December 202517.8 °C−0.7 °C39 mm76 mm
January 2026––5 mm52 mm
February 202621.0 °C+0.5 °C40 mm60 mm
March 2026––47 mm47 mm
April 2026––32 mm63 mm
May 202614.2 °C+1.7 °C72 mm69 mm
June 202612.2 °C+1.9 °C55 mm71 mm
July 2026––67 mm64 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 Scoresby Research Institute 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 Scoresby Research Institute?

Over 1991–2020, the annual mean temperature at Scoresby Research Institute is 15.1 °C. It was 14.5 °C over 1961–1990, a difference of +0.5 °C.

What is the warmest year ever measured at Scoresby Research Institute?

Since records began in 1948, the warmest year at Scoresby Research Institute is 2018, at 15.9 °C on average. The coldest is 1966 (13.4 °C).

Is the climate at Scoresby Research Institute getting warmer?

Yes: at Scoresby Research Institute, the annual mean temperature rises by 0.19 °C per decade between 1961 and 2025, +1.2 °C in total. 10 of the 10 warmest years in the series fall after 1999.

Neighbouring stations

See all stations in the weather history