The Cold Moon will reach peak illumination on December 4 at 6:14 P.M. EST.
The December full Moon is named the Cold Moon and will be the final Supermoon of 2025. A Supermoon is when the Moon is at its closest to Earth and will appear slightly larger and brighter around Moonrise.
The December full Moon is called the Cold Moon because of the cold temps and long, dark days. Traditional names for each full moon in a year often come from various sources, including Native American, Colonial American, and other folklore. These names were used to help track the seasons. Other names reported for this Moon include the Moon Before Yule (Pagan), Frost Exploding Trees Moon (Cree), and the Long Night Moon (Anglo-Saxon)
