Heard Island and McDonald Islands vs New Caledonia: Autumn temperature anomalies
Heard Island and McDonald Islands
0.9668 °C
in 2025
New Caledonia
1.02 °C
in 2025
Heard Island and McDonald Islands rank
56th
New Caledonia rank
54th
Autumn temperature anomalies over time
- Heard Island and McDonald Islands
- New Caledonia
How they compare
New Caledonia currently reports 1.02 °C against 0.9668 °C in Heard Island and McDonald Islands, a difference of 0.0532 °C.
That makes New Caledonia's figure about 1.1 times Heard Island and McDonald Islands's.
The two have swapped places 38 times across 86 shared years of data; in 1940 it was New Caledonia ahead.
Heard Island and McDonald Islands ranks 56th and New Caledonia ranks 54th of 193 countries.
Across the 9 decades both report, Heard Island and McDonald Islands averaged higher in 6 and New Caledonia in 3.
Head to head by decade
| Decade | Heard Island and McDonald Islands | New Caledonia | Difference | Ahead |
|---|---|---|---|---|
| 1940s | -1.85 °C | -1.16 °C | 0.6889 °C | New Caledonia |
| 1950s | -0.6144 °C | -0.7713 °C | 0.1569 °C | Heard Island and McDonald Islands |
| 1960s | -0.3935 °C | -1.01 °C | 0.614 °C | Heard Island and McDonald Islands |
| 1970s | -0.0629 °C | -0.5565 °C | 0.4936 °C | Heard Island and McDonald Islands |
| 1980s | -0.1025 °C | -0.2269 °C | 0.1244 °C | Heard Island and McDonald Islands |
| 1990s | -0.1891 °C | -0.1889 °C | 0.0001 °C | New Caledonia |
| 2000s | 0.0979 °C | 0.0169 °C | 0.0811 °C | Heard Island and McDonald Islands |
| 2010s | 0.0891 °C | 0.0282 °C | 0.0608 °C | Heard Island and McDonald Islands |
| 2020s | 0.4466 °C | 0.7158 °C | 0.2693 °C | New Caledonia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher autumn temperature anomalies, Heard Island and McDonald Islands or New Caledonia?
- New Caledonia, at 1.02 °C against 0.9668 °C in Heard Island and McDonald Islands as of 2025.
- What is the difference in autumn temperature anomalies between Heard Island and McDonald Islands and New Caledonia?
- 0.0532 °C, with New Caledonia ahead.
- How many years of comparable data are there for Heard Island and McDonald Islands and New Caledonia?
- 86 years are reported by both, from 1940 to 2025.
- How do Heard Island and McDonald Islands and New Caledonia rank globally for autumn temperature anomalies?
- Heard Island and McDonald Islands ranks 56th and New Caledonia ranks 54th 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 Autumn temperature anomalies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Difference in a specific month's average surface temperature from the mean temperature of the same month during the period 1991-2020, measured in degrees Celsius.