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Heard Island and McDonald Islands vs United Kingdom

4 metrics with data for both countries. The solid line is Heard Island and McDonald Islands; the dashed grey line is United Kingdom.

Country A · Heard Island and McDonald Islands
Country B · United Kingdom

Climate

Temperature anomaly

Heard Island and McDonald Islands: 0.83 °C vs 1991-2020 · 2025United Kingdom: 0.94 °C vs 1991-2020 · 2025
-2-10119401960198020002020United Kingdomlow 1944

How much warmer or cooler a country's year was compared with its 1991-2020 average. Watch the map turn red as you move the slider towards today. Copernicus Climate Change Service (ERA5) via Our World in Data

Water

Annual precipitation

Heard Island and McDonald Islands: 1,377 mm/year · 2025United Kingdom: 962.5 mm/year · 2025
05001k1.5k19401960198020002020United Kingdomhigh 2019low 1949

Total rain and snow that fell over a country in a year, averaged across its land area. Copernicus Climate Change Service (ERA5) via Our World in Data

Rainfall anomaly

Heard Island and McDonald Islands: 11.3 % vs 1961-1990 · 2025United Kingdom: -2.00 % vs 1961-1990 · 2025
-2002019401960198020002020United Kingdomhigh 2019low 1949

How much wetter (teal) or drier (brown) a country's year was compared with its 1961-1990 average. A simple drought and deluge signal. Derived from Copernicus ERA5 precipitation via Our World in Data

Land & Life

Red List Index

Heard Island and McDonald Islands: 0.93 index (1 = species safe) · 2024United Kingdom: 0.97 index (1 = species safe) · 2024
00.51200020102020United Kingdomhigh 2016

Tracks extinction risk across all assessed species. 1 means no species at risk; falling values mean wildlife sliding towards extinction. IUCN / SDG 15.5.1 via Our World in Data