Decadal temperature anomaly in Heard Island and McDonald Islands

Heard Island and McDonald Islands: Decadal temperature anomaly was 0.1796 in 2010. β—† Volatile

Latest (2010)
0.1796
World rank
140th
of 190 countries
All-time high
0.1796
in 2010
All-time low
-0.7038
in 1940
Years of data
8
1940–2010

Decadal temperature anomaly in Heard Island and McDonald Islands, 1940–2010

-0.8-0.6-0.4-0.2-00.21940197520101940: -0.7041950: -0.4471960: -0.3031970: -0.2921980: -0.0611990: -0.1232000: -0.0992010: 0.18

Source: Our World in Data.

Analysis

The most recent figure for decadal temperature anomaly in Heard Island and McDonald Islands is 0.1796, measured in 2010. That is the highest value across all 8 years on record.

The figure is up 281.3% over ten years.

Over the whole period, decadal temperature anomaly in Heard Island and McDonald Islands peaked at 0.1796 in 2010 and was at its lowest, -0.7038, in 1940.

That places Heard Island and McDonald Islands 140th out of 190 countries with data for 2010, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
1940s -0.7038 -0.7038 -0.7038 1
1950s -0.4475 -0.4475 -0.4475 1
1960s -0.3035 -0.3035 -0.3035 1
1970s -0.2917 -0.2917 -0.2917 1
1980s -0.0611 -0.0611 -0.0611 1
1990s -0.123 -0.123 -0.123 1
2000s -0.099 -0.099 -0.099 1
2010s 0.1796 0.1796 0.1796 1

Countries ranked near Heard Island and McDonald Islands

  1. 137 Puerto Rico 0.1879 compare
  2. 138 Fiji, Republic of 0.1843 compare
  3. 139 Peru 0.1812 compare
  4. 141 Australia 0.1771 compare
  5. 142 China, People's Republic of 0.1762 compare
  6. 143 Paraguay 0.1752 compare

See the full ranking of 193 places β†’

More climate change data for Heard Island and McDonald Islands

All data for Heard Island and McDonald Islands β†’

Frequently asked questions

What is decadal temperature anomaly in Heard Island and McDonald Islands?
Decadal temperature anomaly in Heard Island and McDonald Islands was 0.1796 in 2010, according to Our World in Data.
What is the highest decadal temperature anomaly recorded in Heard Island and McDonald Islands?
The highest recorded value was 0.1796 in 2010.
What is the lowest decadal temperature anomaly recorded in Heard Island and McDonald Islands?
The lowest recorded value was -0.7038 in 1940.
How does Heard Island and McDonald Islands rank for decadal temperature anomaly?
Heard Island and McDonald Islands ranks 140th out of 190 countries with data for 2010.
Is decadal temperature anomaly rising or falling in Heard Island and McDonald Islands?
Over the last ten years it is up 281.3%. The long-run trend across the full record is volatile.
Where does this Heard Island and McDonald Islands data come from?
The figures come from Our World in Data, published as part of Decadal temperature anomaly. Statizoid updates them automatically from the source API.

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CSV Β· JSON β€” 8 observations, free to reuse under CC BY 4.0 (Our World in Data).

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Decadal temperature anomaly in Heard Island and McDonald Islands. Statizoid, drawing on Our World in Data. Retrieved 18 August 2026, from https://climate.statizoid.com/stat/decadal-temperature-anomaly/heard-island-and-mcdonald-islands/

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<a href="https://climate.statizoid.com/stat/decadal-temperature-anomaly/heard-island-and-mcdonald-islands/">Decadal temperature anomaly in Heard Island and McDonald Islands</a> β€” Statizoid

About this data

Indicator
Decadal temperature anomaly
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
193 places, 1,544 data points, 1940–2010
Last refreshed