National Iced Coffee Day 2024. — dunkin’ iced coffee day is thursday, june 20 th, and $1 from every iced coffee and cold brew purchase will benefit the dunkin’ joy in childhood foundation to. — fortunately, my favorite holiday is coming up on april 20, national cold brew day.
Here’s how dunkin’ is celebrating the beloved drink on june 20th. Today, up your karma quotient while you sip, as $1 from every iced coffee* sold at participating dunkin’ locations.