when it is summer in australia, the season in the united states is
Report Abuse. America gets hit by summer when its getting all the sun from position of equator of the sun. This happens for Australia in the winter for us. Has nothing to do with pole rotation lol. The earth spins like a top so thats why some summers are more hot than others and vice versa for winter. The sun lets out certain amounts of Gamma radiation and spikes with sun flares which gives life to our planet.