Not below freezing , could mean 65 at night or 33 at night. Pretty big difference.
You could also be in desert n, or in areas with high rain.
Heavy bugs, or no bugs.
Regardless, classifications are really fixed on wt.
Whats different, is what you choose to take.
Not to hard to meet 3season conditions between 7-10 lbs. You just buy your way there, without giving up anything.