We live in the Miami Ft-Lauderdale area and personally, Southeast Florida is the only part of the state I would live in (ok, maybe down in the Keys but that's for another discussion).
Being originally from the the New York/CT area, the traffic is no worse here than any other major city.
Being in the Southeast corner along the ocean, the weather is surprising moderate. This year, the highest temperature was 96 I believe. Most people would not believe that in recorded history it has never reached 100 degrees in Miami (ok, ok, it's like 87-91 every day from May through October but that's about as hot as it gets ... very stable). It can be humid also, but keep in mind that down here we typically get a breeze off the ocean which also helps to moderate the temperature and make it far more bearable that other areas.
Now if you go north or inland, all bets are off. I don't know how people can live in places like Orlando or other places away from the ocean. The heat is unbearable. On the Gulf side of Florida (Tampa, Ft Myers) it's just hotter in the summer and cooler in the winter than here in the southeast part of the state.
I would rather work at the local mini-mart selling tampons and toilet paper than move back to the Northeast.
Rub a Dub