Sea temperatures Hong Kong Sea temperature Hong Kong Created with Highcharts 3.0.8Sea temperature666668738084848482807569JanFebMarAprMayJuneJulAugustSeptOctNovDec0 °20 °40 °60 °80 °100 ° Jan Feb March April May June Jul August sept. Oct nov. dec. Sea temperature66°66°68°73°80°84°84°84°82°80°75°69°