Personally I think sun is harder on rigs then snow.
We did use a good quality cloth cover, until we built an RV port.
One key is any tarp or cover, ensure NOTHING can rub, even in the highest winds. A grommet can rub through the paint, the filon, the.....
One other thought, if you use a tarp, put some spacer boards (2x4) on the roof, so air can circulate.
2008 F350SD V10 with an 2012 Arctic Fox 29-5E
When someone tells you to buy the same rig they own, listen, they might be right. When they tell you to buy a different rig then they own, really pay attention, they probably know something you don't.