I own Potomac Airfield.
www.potomac-airfield.com
Our T hangars go for between $500 and $900+/mo.
At those prices, I'd have to be out of my mind to rent a hangar!
Actually, ...
1. I am too lazy to move it around in and out of a hangar. What, 3k lbs empty?
2. Modern paint/interior materials just don't wear out like they used to.
3. I find it hard enough to find time to go for a whirl.
A hangar would add another impediment to just 'going.'
4. I get my pick of tie downs. I'm sleeping with the owner's wife.
5. I face the schnozz (forward engine) NORTH, so
a. the angle of incidence of sun on windshield is 'behind,' = no real wear, and
b. snow/ice melts faster with tail facing south.
c. Washington DC climate is NOT Novosibirsk OR Abu Dhabi.
I wouldn't say 'mild.' Summers are hot.
Lots of hot air from downtown.
I think it actually creates a micro climate inside the beltway.
6. Did I mention I am lazy?