Sea temperatures Antarctica Sea temperature Retreat, Point Created with Highcharts 3.0.8Sea temperature303030303030303333302828JanFebMarAprMayJuneJulAugustSeptOctNovDec0 °5 °10 °15 °20 °25 °30 °35 ° Jan Feb March April May June Jul August sept. Oct nov. dec. Sea temperature30°30°30°30°30°30°30°33°33°30°28°28°