Make sure you grab those jackets! The Cold Supermoon — the last full moon of 2025 — rises this week in all its brilliant, frosty glory.
The Cold Supermoon reaches peak fullness during the morning of Dec. 4. With this being the case, the best time for North Americans to catch it looking perfectly round and massive will be Friday evening as it rises at sunset. (RELATED: La Niña Winter Fueling First Snow Of Season, Possible Ice Risk For Mid-Atlantic, Carolinas)
To catch the year’s last full moon at its most spectacular, find a spot with a clear view of the eastern horizon and watch as the Cold Supermoon soars into the sky.
The Cold Moon gets its name from the chill of deep winter that typically grips the Northern Hemisphere.
#Gravitas | The December cold moon is arriving as a supermoon, the brightest and biggest full moon of the year@MollyGambhir explains the astronomical beauty of this charismatic celestial event and dive deep into the astrology pic.twitter.com/LYvkb0QC0S
— WION (@WIONews) December 3, 2025
A Supermoon happens when a full moon corresponds with perigee — the point in the Moon’s elliptical orbit when it swings closest to Earth.
The Cold Supermoon will only be 221,813 miles from Earth at its fullest Thursday, according to NASA.
December delivers the third consecutive Supermoon — all rising in the first week of the month — a pattern that’s perfectly normal as Supermoons often arrive in clusters.
Capping off a trio of Supermoons to close out 2025, the natural phenomenon stands out, as the moon swings extra-close to Earth to make it appear dramatically larger and brighter than a typical full moon.
