They just aren't dropping as fast (or low) as on the Continent.
|This graph shows high and low air temperatures|
at select places along the US Atlantic Coast
As the continental US is rapidly dropping into true winter mode, Naples is settling into its comfortable non-summer-half-of-the-year season. Daytime highs are hovering in the high 70s and nighttime lows are dropping into the 50s. Compare that to continental-bound Boston, Baltimore and Atlanta which each have lower daytime highs than Naples Florida has nighttime lows and nighttime lows that are dropping near the freezing mark.
Tallahassee straddles the two extremes:
It's daytime highs track with the Florida peninsula and its nighttime lows with the continent above.