Proper sun safety is important: sunglasses or, barring those, a riot helmet.
This isn’t gaming inside: You don’t need to wear a suit and tie. Just a T-shirt and shorts are fine.
As in most areas of American life, it helps to have indulgent parents.
As in most areas of American life, it helps to have wacky drunk friends.
Even if you lack the technical wherewithal to get the TV outside, that shouldn’t stop you.
Even if you live in the paler reaches of the planet, you can still have a good gaming summer.
Little known summer rule: No one with a house can refuse you projecting a giant game of Mario Kart onto it. They may be the 1% but they still have to grin and bear it.