While I rarely use spaycans, for large area prime coats only, I find them quite adaptable to a temperature range. I do ensure the can is warm enough to spray well and lay down a smooth coat, the can only needs to be a comfortable room temp.
My garage gets very cold, but my spray booth area is easily heated to 60+ with a small conical space heater from Costco, it's surprising how effective it can be.
I would avoid heating the can close to a heat source, or placing in hot water, that has the potential to create a can rupture. I have heard of that happening.
Patrick