Sea temperatures Hong Kong Sea temperature Hong Kong Created with Highcharts 3.0.8Sea temperature191920232729292928272421JanFebMarAprMayJuneJulAugustSeptOctNovDec0 °5 °10 °15 °20 °25 °30 °35 ° Jan Feb March April May June Jul August sept. Oct nov. dec. Sea temperature19°19°20°23°27°29°29°29°28°27°24°21°