Wake Up! Dunkin' Donuts Is Giving Away Free Coffee Every Monday in February 34 Shares Rolling out of bed is about to get a whole lot easier thanks to Dunkin' Donuts, because the popular coffee and doughnut chain is giving away free cups of coffee every Monday during the month of February! Over the next few weeks, DD Perks rewards members can start their week on a good note by visiting a Dunkin' Donuts location every Monday through Feb. 22 to get a free medium hot coffee with any purchase. Order favorites, like the Original Blend or Dunkin' Decaf, and newer options such as Dunkin' Midnight (the company's darkest roast with notes of decadent cocoa) or Explorer Batch (a medium roast with dark berry flavors and a smoky finish) are available as part of the promotion.