Sea temperatures Uruguay Sea temperature Montevideo Created with Highcharts 3.0.8Sea temperature757373666055515355626871JanFebMarAprMayJuneJulAugustSeptOctNovDec0 °20 °40 °60 °80 ° Jan Feb March April May June Jul August sept. Oct nov. dec. Sea temperature75°73°73°66°60°55°51°53°55°62°68°71°