Heard Island and McDonald Islands
Capital, major cities, population, maps, climate, landscapes and landmarks of Heard Island and McDonald Islands, in Antarctica.
Overview
Heard Island and McDonald Islands is a country or area in Antarctic. It covers about 412 km² (159 sq mi), the 207th largest of the 250 countries and areas in our atlas.
Heard Island and McDonald Islands has no land borders: it is surrounded by water. The highest point is Mawson Peak at 2,745 m (9,006 ft).
The official language is English.
Where is Heard Island and McDonald Islands?
Highlighted shape and city dots (green = major cities). Map data: Natural Earth (public domain); shapes are simplified and do not represent any position on boundaries.
Climate
Heard Island and McDonald Islands has a tundra climate (Köppen ET). The warmest month is usually Feb, with average highs near 4°C (40°F); the coolest nights come in Sep at about -1°C (31°F). Around 1,241 mm (49 in) of rain and snow falls in a typical year, spread fairly evenly through the year.
Bars: average daily high and low (°C) for each month; blue columns and figures: average precipitation (mm). Gridded 2001-2025 averages from NASA POWER, so mountain and coastal spots can differ from local station records.
Fun geography facts
- Heard Island and McDonald Islands is the 207th largest country or area by land and water area in our atlas.
- It lies in the Southern Hemisphere, so summer falls in December, January and February.
- Heard Island and McDonald Islands gets about 1,241 mm of precipitation a year (tundra climate).
More in Antarctic
- Country names, codes, languages, currencies, area: mledoze/countries (ODbL), the dataset behind REST Countries
- Population: World Bank (CC BY 4.0), else GeoNames
- Cities, time zones, elevations: GeoNames (CC BY 4.0)
- Geography and landmarks: Wikidata Q131198 (CC0)
- Climate: NASA POWER 2001-2025 climatology
- Map: Natural Earth (public domain)
Text written by Geographical Effect from these sources. Spot an error? Email hello@fireempireshop.com.