Why is Valentine’s Day celebrated on February 14th? Thu, 02/07/2019 - 12:00am Sweethearts who want to keep their relationships running strong know that Valentine’s Day is celebrated each year on February 14.PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Why is Valentine’s Day celebrated on February 14th?