Australia vs Heard Island and McDonald Islands: Decadal temperature anomalies

Australia
0.1771 °C
in 2010
Heard Island and McDonald Islands
0.1796 °C
in 2010
Australia rank
141st
Heard Island and McDonald Islands rank
140th

Decadal temperature anomalies over time

  • Australia
  • Heard Island and McDonald Islands
-0.8-0.6-0.4-0.2-00.2194019752010

How they compare

Heard Island and McDonald Islands currently reports 0.1796 °C against 0.1771 °C in Australia, a difference of 0.0025 °C.

The two have swapped places 3 times across 8 shared years of data; in 1940 it was Australia ahead.

Australia ranks 141st and Heard Island and McDonald Islands ranks 140th of 193 countries.

Across the 8 decades both report, Australia averaged higher in 3 and Heard Island and McDonald Islands in 5.

Head to head by decade

Decade Australia Heard Island and McDonald Islands Difference Ahead
1940s -0.3386 °C -0.7038 °C 0.3652 °C Australia
1950s -0.193 °C -0.4475 °C 0.2545 °C Australia
1960s -0.327 °C -0.3035 °C 0.0235 °C Heard Island and McDonald Islands
1970s -0.6393 °C -0.2917 °C 0.3476 °C Heard Island and McDonald Islands
1980s -0.1894 °C -0.0611 °C 0.1283 °C Heard Island and McDonald Islands
1990s -0.1345 °C -0.123 °C 0.0116 °C Heard Island and McDonald Islands
2000s -0.0766 °C -0.099 °C 0.0225 °C Australia
2010s 0.1771 °C 0.1796 °C 0.0024 °C Heard Island and McDonald Islands

Averages of every year both report within each decade.

Frequently asked questions

Which has higher decadal temperature anomalies, Australia or Heard Island and McDonald Islands?
Heard Island and McDonald Islands, at 0.1796 °C against 0.1771 °C in Australia as of 2010.
What is the difference in decadal temperature anomalies between Australia and Heard Island and McDonald Islands?
0.0025 °C, with Heard Island and McDonald Islands ahead.
How many years of comparable data are there for Australia and Heard Island and McDonald Islands?
8 years are reported by both, from 1940 to 2010.
How do Australia and Heard Island and McDonald Islands rank globally for decadal temperature anomalies?
Australia ranks 141st and Heard Island and McDonald Islands ranks 140th of 193 countries.
Where does this data come from?
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data, published as Decadal temperature anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Australia vs Heard Island and McDonald Islands: Decadal temperature anomalies. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://climate.statizoid.com/compare/decadal-temperature-anomaly/australia/heard-island-and-mcdonald-islands/

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About this data

Indicator
Decadal temperature anomalies
Unit
°C
Source
Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 1,544 data points, 1940–2010
Last refreshed

Difference of a specific decade's average surface temperature from the 1991-2020 mean, in degrees Celsius.