Heard Island and McDonald Islands vs Mauritania: Summer temperature anomalies
Heard Island and McDonald Islands
1.56 °C
in 2026
Mauritania
1.47 °C
in 2026
Heard Island and McDonald Islands rank
40th
Mauritania rank
43rd
Summer temperature anomalies over time
- Heard Island and McDonald Islands
- Mauritania
How they compare
Heard Island and McDonald Islands currently reports 1.56 °C against 1.47 °C in Mauritania, a difference of 0.09 °C.
That makes Heard Island and McDonald Islands's figure about 1.1 times Mauritania's.
The two have swapped places 38 times across 87 shared years of data; in 1940 it was Heard Island and McDonald Islands ahead.
Heard Island and McDonald Islands ranks 40th and Mauritania ranks 43rd of 193 countries.
Across the 9 decades both report, Heard Island and McDonald Islands averaged higher in 7 and Mauritania in 2.
Head to head by decade
| Decade | Heard Island and McDonald Islands | Mauritania | Difference | Ahead |
|---|---|---|---|---|
| 1940s | -0.4048 °C | -1.03 °C | 0.6259 °C | Heard Island and McDonald Islands |
| 1950s | -0.5305 °C | -1.24 °C | 0.7113 °C | Heard Island and McDonald Islands |
| 1960s | -0.5264 °C | -1.45 °C | 0.9238 °C | Heard Island and McDonald Islands |
| 1970s | -0.4885 °C | -1.29 °C | 0.8008 °C | Heard Island and McDonald Islands |
| 1980s | -0.0351 °C | -0.5046 °C | 0.4695 °C | Heard Island and McDonald Islands |
| 1990s | -0.0294 °C | -0.2101 °C | 0.1808 °C | Heard Island and McDonald Islands |
| 2000s | -0.2336 °C | -0.0627 °C | 0.1709 °C | Mauritania |
| 2010s | 0.2475 °C | 0.1078 °C | 0.1397 °C | Heard Island and McDonald Islands |
| 2020s | 0.5671 °C | 0.7767 °C | 0.2096 °C | Mauritania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher summer temperature anomalies, Heard Island and McDonald Islands or Mauritania?
- Heard Island and McDonald Islands, at 1.56 °C against 1.47 °C in Mauritania as of 2026.
- What is the difference in summer temperature anomalies between Heard Island and McDonald Islands and Mauritania?
- 0.09 °C, with Heard Island and McDonald Islands ahead.
- How many years of comparable data are there for Heard Island and McDonald Islands and Mauritania?
- 87 years are reported by both, from 1940 to 2026.
- How do Heard Island and McDonald Islands and Mauritania rank globally for summer temperature anomalies?
- Heard Island and McDonald Islands ranks 40th and Mauritania ranks 43rd 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 Summer 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.