During January the wolves were believed to howl more often than other parts of the year. That is why the Full Moon of this winter month was called traditionally Full Wolf Moon. Other names of January Full Moon: Hunger Moon, Frost Moon, Snow Moon, Severe Moon.
Full Moons in 2020: January Full Moon | February Full Moon in the clouds | March Worm Supermoon | April Pink Supermoon | May Flower Supermoon | June Strawberry Moon and penumbral eclipse | July Buck Moon | August Sturgeon Moon | September Corn Moon | October Harvest Moon | Once in a Blue Moon | Full Beaver Moon
Full Moons in 2019: Full Beaver Moon