Whataburger is celebrating Summer Solstice by offering a free 16-ounce iced coffee on June 20th from 6 am to 6 pm. Customers can choose from vanilla, caramel, or mocha flavors and customize it to their liking. No purchase is required to redeem this offer. 

 Celebrate the Summer Solstice with a refreshing treat from Whataburger! On this longest day of the year, cool down and savor the taste of summer with a free iced coffee, available exclusively at Whataburger. Whether you prefer your coffee smooth and classic or with a hint of flavor, our iced coffee is the perfect way to beat the heat and enjoy the season.