Heard Island and McDonald Islands vs New Zealand: Annual temperature anomalies

Heard Island and McDonald Islands
0.8308 °C
in 2025
New Zealand
0.826 °C
in 2025
Heard Island and McDonald Islands rank
68th
New Zealand rank
71st

Annual temperature anomalies over time

  • Heard Island and McDonald Islands
  • New Zealand
-2-101194019822025

How they compare

Heard Island and McDonald Islands currently reports 0.8308 °C against 0.826 °C in New Zealand, a difference of 0.0048 °C.

The two have swapped places 28 times across 86 shared years of data; in 1940 it was Heard Island and McDonald Islands ahead.

Heard Island and McDonald Islands ranks 68th and New Zealand ranks 71st of 193 countries.

Across the 9 decades both report, Heard Island and McDonald Islands averaged higher in 5 and New Zealand in 4.

Head to head by decade

Decade Heard Island and McDonald Islands New Zealand Difference Ahead
1940s -0.7038 °C -1.46 °C 0.7596 °C Heard Island and McDonald Islands
1950s -0.4475 °C -0.7312 °C 0.2837 °C Heard Island and McDonald Islands
1960s -0.3035 °C -0.7529 °C 0.4494 °C Heard Island and McDonald Islands
1970s -0.2917 °C -0.1496 °C 0.1421 °C New Zealand
1980s -0.0611 °C -0.056 °C 0.0051 °C New Zealand
1990s -0.123 °C -0.2721 °C 0.1491 °C Heard Island and McDonald Islands
2000s -0.099 °C -0.1135 °C 0.0145 °C Heard Island and McDonald Islands
2010s 0.1796 °C 0.3561 °C 0.1766 °C New Zealand
2020s 0.4024 °C 0.7744 °C 0.372 °C New Zealand

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual temperature anomalies, Heard Island and McDonald Islands or New Zealand?
Heard Island and McDonald Islands, at 0.8308 °C against 0.826 °C in New Zealand as of 2025.
What is the difference in annual temperature anomalies between Heard Island and McDonald Islands and New Zealand?
0.0048 °C, with Heard Island and McDonald Islands ahead.
How many years of comparable data are there for Heard Island and McDonald Islands and New Zealand?
86 years are reported by both, from 1940 to 2025.
How do Heard Island and McDonald Islands and New Zealand rank globally for annual temperature anomalies?
Heard Island and McDonald Islands ranks 68th and New Zealand ranks 71st 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 Annual temperature anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Heard Island and McDonald Islands vs New Zealand: Annual temperature anomalies. Statizoid, drawing on Contains modified Copernicus Climate Change Service information (2026) – with major processing by Our World in Data. Retrieved 01 September 2026, from https://reference.statizoid.com/compare/annual-temperature-anomalies/heard-island-and-mcdonald-islands/new-zealand/

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<a href="https://reference.statizoid.com/compare/annual-temperature-anomalies/heard-island-and-mcdonald-islands/new-zealand/">Heard Island and McDonald Islands vs New Zealand: Annual temperature anomalies</a> — Statizoid

About this data

Indicator
Annual 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, 16,598 data points, 1940–2025
Last refreshed

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