December: Cold Moon
In December, when winter sets in the Northern Hemisphere, the Full Moon is called the Cold Moon. It is also called Long Nights Moon, and the Moon before Yule.
A Cold Moon rising over the mountains. The December Full Moon is named after the cold temperatures of winter.
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Cold Moon 2024
15 Dec 2024, 18:01
Cold Moon 2025
5 Dec 2025, 08:14
Times for the Cold Moon vary by time zone. Times and dates are based on the local time in Tokyo. Change location
Named after the Cold Setting In
December is the month when winter truly begins in large parts of the Northern Hemisphere. Most of the ancient Full Moon names are related to the low temperatures and darkness at this time of year—the Celts called it the Cold Moon or the Full Cold Moon.
Is December really cold? Well that depends of course on the climate where you live.
Ancient Solstice Celebration
The Old English and Anglo-Saxon names of the December Full Moon are the Moon Before Yule and the Long Night Moon. Both names refer to the winter solstice, and the ancient celebration of Yule. Another Celtic name is the Oak Moon.
Sleep, crime, and menstruation: how Full Moons affect humans
12 Full Moon Names
The Full Moon has been integral to tracking the change of months and seasons since ancient times.
Today, we use many of these ancient month names as Full Moon names, and many of them come from Colonial Americans adopting Native American names into their calendars.
Although the most commonly used Full Moon names are English interpretations of Native American names, some are also Celtic, Anglo-Saxon, medieval English, and Neo-Pagan.