How often should you weatherproof a leather jacket?

Question

If you live in a dry climate?

Answer 1

It is a case of conditioning the leather with a good wax to keep it sup ell as well as weatherproof

Answer 2

you can get a waterproof spray for fabric and leather which you use to protect shoes. this works.

Answer 3

they have a lotion you just rub into it.  Ao to your nearest leather store.  Wilsons would be mine.  It is called leather protector.