Watermelon agua fresca is a quick, refreshing, and naturally delicious drink that’s perfect for hot summer days. With just a few simple ingredients you can whip up a flavorful beverage in minutes. Customize it to your taste, serve it over ice, and don’t forget the Tajín-rimmed glass for a fun twist. Whether you're lounging by the pool or hosting a summer get-together, this agua fresca is sure to be a hit!