Antigua and Barbuda
tropical maritime; little seasonal temperature
variation

Arctic Ocean
polar climate characterized by persistent cold and
relatively narrow annual temperature ranges; winters characterized
by continuous darkness, cold and stable weather conditions, and
clear skies; summers characterized by continuous daylight, damp and
foggy weather, and weak cyclones with rain or snow

Argentina
mostly temperate; arid in southeast; subantarctic in
southwest

Armenia
highland continental, hot summers, cold winters

Aruba
tropical marine; little seasonal temperature variation

Ashmore and Cartier Islands
tropical

Atlantic Ocean
tropical cyclones (hurricanes) develop off the coast
of Africa near Cape Verde and move westward into the Caribbean Sea;
hurricanes can occur from May to December but are most frequent from
August to November

Australia
generally arid to semiarid; temperate in south and east;
tropical in north

Austria
temperate; continental, cloudy; cold winters with frequent
rain and some snow in lowlands and snow in mountains; moderate
summers with occasional showers

Azerbaijan
dry, semiarid steppe