I think you should worry more about maybe humidity in your location(i'm guessing you're in arkansas?), I live just 2 hours away from Lake Waccamaw(natural habitad of the VFT), and i can witness that both climates(mine, and their habitad) are the same, with sometimes a few degrees of difference(sometimes is hotter there or colder, humidity might be higher sometimes...etc). and just to let you know, we had a heat wave yesterday, temps of 109F outside, and the same in Lake Waccamaw. Winter is a whole different story here from there, while we get 8-inch of snow, lake waccamaw only gets about 2-inchs, and sometimes we have a 10 degree difference, which is pretty common but it lasts for a short period of time.
I have been comparing both climates since a year ago, and i should be able to say right now that i just need a huge pot and just leave them outside year round!
So definitely don't worry about temps but i would say more about humidity.
and if you want to replicate, or just know how these plants live in the wild, keep an eye on the weather of lake waccamaw. Zip code: 28450. Good luck!