You don’t need to limit your camping season to spring thru fall. Winter camping is always an option that could prove fun and rewarding. I have tent camped comfortably in 22 degree temperatures; you just need to know how. If you are in an RV it can be a little easier as long as you take the necessary steps to prepare ahead of time. The following article may help you to do just that

https://www.reserveamerica.com/marketing.do?goto=acm/rv-winter-camping-tips.htm