Kyoto is full of Kyoto style machiya(town's house) cafes where you are willing to visit in kimono and can enjoy the atmosphere. Here are the machiya cafes near Yumeyakata.
Cafe Marble Bukkoji shop … 8 mins walk. The place being used to take yukata model photos.
Minaka Cafe … 2 mins walk. You can relax with a handmade cake and coffee.
Engawa Cafe … About 10 mins walk. Cafe run by a long-established wheat-gluten bread manufacturer.