Sea temperatures Russia Sea temperature Saintt Petersburg Created with Highcharts 3.0.8Sea temperature323030334257686659504237JanFebMarAprMayJuneJulAugustSeptOctNovDec0 °10 °20 °30 °40 °50 °60 °70 °80 ° Jan Feb March April May June Jul August sept. Oct nov. dec. Sea temperature32°30°30°33°42°57°68°66°59°50°42°37°