Updated September 2......Meteorological summer is over. That runs from June 1 to August 31. For Louisville this summer averaged 1.2 degrees above normal with an average temperature of 79.2°.The hottest summer ever was 82.3° in 2010.The 10th hottest summer for Louisville was 79.5° in 2018.So if August had not been below normal, this would have made the top 10 hottest summers.Here is a list of cities that had their hottest summer ever.ARIZONAPhoenixTucsonCarefreeTombstoneNogalesCONNECTICUTBridgeportHartfordFLORIDAFort LauderdaleKey WestMiamiNaplesPunta GordaSarasotaTampaILLINOISChicagoMAINECaribouPortlandMINNESOTABrainerdNEW HAMPSHIREManchesterNEW MEXICOFarmingtonGallupLordsburgNEW YORKNew York City (LaGuardia Airport)NORTH CAROLINACape HatterasOHIOAkronMansfieldPENNSYLVANIAAltoonaBradfordDuboisHarrisburgJohnstownLancasterReadingState CollegeWilliamsportRHODE ISLANDProvidenceTEXASDel RioSan AngeloVERMONTBurlingtonVIRGINIACharlottesvilleNorfolkWYOMINGCheyenneAnother 125 cities had a top 5 hottest summer ever.This map shows the temperature departure from normal across the U.S. for June through August.