It's sometimes referred to as the Cold Moon, Frost Exploding Moon, Freeze Up Moon and Severe Moon. The Dakota tribe calls it the Hard Moon to describe the hard crust that develops over fallen snow.

It was also called the Center Moon (Assiniboine), Cold Moon (Cree), Frost Exploding Moon (Cree), Freeze Up Moon (Algonquin), Severe Moon (Dakota). and Hard Moon (Dakota), all reflecting the harshness ...

Other nicknames for January’s full moon include the cold moon, frost exploding moon, freeze up moon, severe moon, hard moon, Canada goose moon, great moon, greetings moon and spirit moon.

Cold Moon (Cree), Frost Exploding Moon (Cree), Freeze Up Moon (Algonquin), and Severe Moon (Dakota). Hard Moon (Dakota) highlights the phenomenon of the fallen snow developing a hard crust," the ...

According to the Old Farmer's Almanac, this full moon is also sometimes called the Center Moon, Frost Exploding Moon and Freeze Up Moon.

according to the Farmer's Almanac, which noted that the name "refers to the idea that this moon roughly marks the middle of the cold season." Other names for the January full moon include: Frost ...