▁W inst on - S alem ▁and ▁R ale igh - D ur ham . ▁ ▁Cl imate ▁Most ▁of ▁the ▁sout he astern ▁part ▁of ▁the ▁United ▁States ▁is ▁domin ated ▁by ▁the ▁hum id ▁subt rop ical ▁climate ▁( C fa / C wa ). ▁As ▁one ▁ne ars ▁the ▁southern ▁port ions ▁of ▁Florida , ▁the ▁climate ▁gradually ▁becomes ▁tropical ▁as ▁winter s ▁are ▁free ze ▁free ▁and ▁all ▁months ▁have ▁a ▁mean ▁temperature ▁above ▁ ▁( the ▁defined ▁col dest ▁month ly ▁mean ▁temperature ▁of ▁tropical ▁clim ates ). ▁ ▁Season ally , ▁sum mers ▁are ▁generally ▁hot ▁and ▁hum id ▁throughout ▁the ▁entire ▁region . ▁The ▁B erm uda ▁High ▁p umps ▁hot ▁and ▁mo ist ▁air ▁mass ▁from ▁the ▁tropical ▁Atlantic ▁Ocean ▁and ▁eastern ▁G ulf ▁of ▁Mexico ▁west ward ▁toward ▁the ▁sout heast ▁United ▁States , ▁creating ▁the ▁typical ▁s ult ry ▁tropical ▁sum mers . ▁Day time ▁high s ▁are ▁often ▁in ▁the ▁upper ▁ 8 0 s ▁to ▁lower ▁ 9 0 s ▁F . ▁Rain fall ▁is ▁summer ▁concentr ated ▁along ▁the ▁G ulf ▁Coast ▁and ▁the ▁South ▁Atlantic ▁coast ▁from ▁Nor folk , ▁V A ▁south ward , ▁reaching ▁a ▁sharp ▁summer ▁mon so on - like ▁pattern ▁over ▁pen ins ular ▁Florida , ▁with ▁dry ▁winter s ▁and ▁wet ▁sum mers . ▁Sun sh ine ▁is ▁abund ant ▁across ▁the ▁sout he astern ▁United ▁States ▁in ▁summer , ▁as ▁the ▁ra inf all ▁often ▁comes ▁in ▁quick , ▁but ▁inten se