Yeah being in Florida I wouldn't push the humidity all too much, could do more harm than good really. I live in a dry climate, so I have to keep bumping up the humidity and if it goes over, no big deal just turn on another fan. We get like such a low humidity out here that my hygrometer will just say "Lo" lol.
My best advice would be to save up some money, get a humidifier, a dehumidifier, a portable AC, Portable heater and a climate control system. You just plug in the humidifier and dehumidifier on one side and the heater and AC on the other, set the temp and humidity % you want it at and BLAM no more worrying lol. I plan on doing this with my next grow if I have enough cash.
If you don't have the cash, you just gotta feel it out, that's what I did. As much of a pain in the ass it is, it's better than having a poor environment for the girls ya know?
Maybe try getting a dehumidifier for now? You know for those extra crazy humid days.
Wish I could help you out more Mind.