Heard Island and McDonald Islands vs Mongolia: Average annual surface temperature
Heard Island and McDonald Islands
2.45 °C
in 2025
Mongolia
2.24 °C
in 2025
Heard Island and McDonald Islands rank
188th
Mongolia rank
189th
Average annual surface temperature over time
- Heard Island and McDonald Islands
- Mongolia
How they compare
Heard Island and McDonald Islands currently reports 2.45 °C against 2.24 °C in Mongolia, a difference of 0.21 °C.
That makes Heard Island and McDonald Islands's figure about 1.1 times Mongolia's.
The two have swapped places 31 times across 86 shared years of data; in 1940 it was Mongolia ahead.
Heard Island and McDonald Islands ranks 188th and Mongolia ranks 189th of 193 countries.
Across the 9 decades both report, Heard Island and McDonald Islands averaged higher in 6 and Mongolia in 3.
Head to head by decade
| Decade | Heard Island and McDonald Islands | Mongolia | Difference | Ahead |
|---|---|---|---|---|
| 1940s | 0.9125 °C | 1.24 °C | 0.3255 °C | Mongolia |
| 1950s | 1.17 °C | 0.5685 °C | 0.6003 °C | Heard Island and McDonald Islands |
| 1960s | 1.31 °C | 0.3591 °C | 0.9537 °C | Heard Island and McDonald Islands |
| 1970s | 1.32 °C | 0.3674 °C | 0.9572 °C | Heard Island and McDonald Islands |
| 1980s | 1.56 °C | 0.4715 °C | 1.08 °C | Heard Island and McDonald Islands |
| 1990s | 1.49 °C | 1.25 °C | 0.2471 °C | Heard Island and McDonald Islands |
| 2000s | 1.52 °C | 1.56 °C | 0.0427 °C | Mongolia |
| 2010s | 1.8 °C | 1.46 °C | 0.3383 °C | Heard Island and McDonald Islands |
| 2020s | 2.02 °C | 2.1 °C | 0.0834 °C | Mongolia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual surface temperature, Heard Island and McDonald Islands or Mongolia?
- Heard Island and McDonald Islands, at 2.45 °C against 2.24 °C in Mongolia as of 2025.
- What is the difference in average annual surface temperature between Heard Island and McDonald Islands and Mongolia?
- 0.21 °C, with Heard Island and McDonald Islands ahead.
- How many years of comparable data are there for Heard Island and McDonald Islands and Mongolia?
- 86 years are reported by both, from 1940 to 2025.
- How do Heard Island and McDonald Islands and Mongolia rank globally for average annual surface temperature?
- Heard Island and McDonald Islands ranks 188th and Mongolia ranks 189th 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 Average annual surface temperature. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The temperature of the air measured 2 meters above the ground, encompassing land, sea, and in-land water surfaces.