December is bringing us the last supermoon of 2025.

December's moon, also known as the Cold Moon, will light up the night sky, and the supermoon will look around 30% brighter and up to 14% larger.

Days after the supermoon takes over the sky, there will be a Moon-Jupiter conjunction, which means the celestial bodies will appear close together even though they are far apart, according to NASA.

Here's what you should know about the full moon in December.

When will December's full moon reach its peak?

The full moon will be at its peak on Thursday, Dec. 4, at 6:14 p.m. ET, according to NASA .

When will be the best time to see the December's supermoon?

The moon's peak will occur before sunset in some parts of the country, but backyard astronomers shouldn't worry.

The moon will still l

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