"Christmastime Is Here" by Jars Of Clay is a festive and joyful song celebrating the holiday season. The lyrics describe the traditional sights and sounds of Christmas, such as snowflakes, carols, and sleigh bells, as well as the feelings of happiness, love, and togetherness that the season brings. The song encourages listeners to cherish the memories and traditions of Christmas, and to look forward to celebrating with family and friends. It evokes a sense of warmth and coziness, with references to firesides and ancient rhymes. As a whole, "Christmastime Is Here" is a simple and lighthearted song that captures the spirit of the season and encourages everyone to embrace the joy and wonder of Christmas.