National Cold Brew Day 2025. National cold brew day, celebrated on april 20th this year, is an informal holiday that honors the beloved iced coffee drink made by steeping coffee grounds in cold water for. On april 20, folks across the nation will gather to celebrate national cold brew day, the holiday you may or may not have heard of focused on the coffee brew.
Getty images) by kathryn pomroy. Dunkin’ rewards members can get a free medium cold brew on national cold brew day on april 20, 2023, via an offer in the app.