The full moon December 2025 horoscope offers deep insight into one of the most emotionally charged lunations of the year. The final full moon of 2025—known as the Cold Moon—will rise on Saturday, December 6, 2025, at 5:13 a.m. EST, illuminating the sky in the sign of Gemini.
This event marks the last full moon before the year closes, bringing themes of reflection, clarity, and communication. Astronomically, it will be a bright and high-rising moon for viewers across the United States, visible throughout the night of December 5 and early morning hours of December 6.
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The Significance of the December 2025 Full Moon
December’s full moon, often called the Cold Moon, gets its name from Indigenous and Old Farmer’s Almanac traditions. It symbolizes the start of winter’s deep chill and the time to look inward before the new year.
In astrology, this full moon falls under Gemini, a sign ruled by Mercury, the planet of communication and intellect. This alignment will emphasize conversations, decisions, travel, and personal truth. Many people may feel an urge to speak their minds, finish long-delayed tasks, or reconnect with others before 2025 comes to a close.
Because this full moon occurs opposite the Sun in Sagittarius, its energy encourages balance between fact and faith—between what we know and what we believe. It’s a time to seek clarity, release confusion, and prepare for the fresh start that January’s new moon will bring.
Astronomical Details of the Full Moon
- Full Moon Name: Cold Moon
- Date: December 6, 2025
- Time (U.S. Eastern): 5:13 a.m. EST
- Zodiac Sign: Gemini (14°)
- Illumination: 100% visible overnight on December 5–6
- Lunar Phase: Final full moon of 2025
Skywatchers across North America will enjoy excellent viewing conditions if the weather cooperates. The moon will appear full for about three nights, from December 4 through December 7.
Astrological Themes for December 2025
The full moon in Gemini highlights intellect, flexibility, and curiosity. It will stir restlessness in many zodiac signs but also inspire new ideas and social connections. This lunation encourages honest communication and helps resolve misunderstandings that may have built up throughout the year.
Gemini energy is fast-moving and adaptable. When paired with Sagittarius season’s expansive outlook, it invites people to look at their lives from a broader perspective. Expect moments of insight, unexpected news, and shifts in relationships or plans.
The energy around this moon is especially significant because Mercury—Gemini’s ruling planet—will be stationing direct in Sagittarius on December 7, just one day after the full moon. This means that misunderstandings, travel delays, or communication issues that surfaced in late November will finally begin to clear.
Full Moon December 2025 Horoscope by Zodiac Sign
Aries (March 21 – April 19)
The Gemini full moon activates your communication zone, Aries. Conversations that began earlier this fall now reach completion. This is an ideal time to sign contracts, publish creative work, or clear the air with siblings and close friends. Keep your energy grounded—too many ideas at once can cause burnout.
Taurus (April 20 – May 20)
For Taurus, financial themes dominate this full moon. It’s time to reassess spending habits and long-term goals. Unexpected expenses may arise, but so can new earning opportunities. A side project or creative skill could finally pay off.
Gemini (May 21 – June 20)
This is your moon, Gemini. Expect a surge of attention, emotion, and clarity about your personal identity. Relationships may shift as you express your authentic self. Use this time to release the versions of you that no longer fit.
Cancer (June 21 – July 22)
This lunation brings closure to old habits and emotional patterns. Spend time resting, reflecting, and letting go of the year’s stress. Your intuition is especially strong now—trust it when making end-of-year decisions.
Leo (July 23 – August 22)
Friendships and social networks come into focus, Leo. You might reconnect with someone from the past or feel called to support a cause. Collaboration is key, but avoid overextending yourself. Balance your social life with self-care.
Virgo (August 23 – September 22)
This full moon lights up your career sector, Virgo. Recognition for your hard work is on the horizon. A professional project or leadership opportunity could reach completion. Be ready to step into the spotlight with confidence.
Libra (September 23 – October 22)
For Libra, this Gemini full moon encourages exploration and learning. You may feel drawn to travel, study, or share your wisdom. Use this energy to plan your 2026 goals. A fresh perspective will help you close the year with optimism.
Scorpio (October 23 – November 21)
Deep emotional transformation continues under this full moon, Scorpio. Matters related to shared finances, inheritance, or intimacy may surface. Release control where possible—healing comes through vulnerability.
Sagittarius (November 22 – December 21)
Relationships take center stage for you, Sagittarius. Whether it’s a business partnership or romantic connection, this full moon encourages honesty. Speak your truth but listen just as carefully. Harmony is possible if both sides meet halfway.
Capricorn (December 22 – January 19)
The Gemini full moon highlights your routines and health, Capricorn. Review your daily habits before heading into 2026. Balance productivity with rest, and consider letting go of unnecessary commitments that drain your energy.
Aquarius (January 20 – February 18)
Creativity, romance, and self-expression are illuminated for you, Aquarius. This moon brings joy and inspiration. It’s a great time to pursue artistic projects or strengthen bonds with children and loved ones.
Pisces (February 19 – March 20)
Home and family themes are emphasized for Pisces. You might feel nostalgic or ready to resolve long-standing domestic issues. Spend time with loved ones and prepare your living space for a calm start to the new year.
Energy Forecast: Emotional Release and Communication Breakthroughs
Because this December 2025 full moon falls in Gemini and aligns closely with Mercury’s direct motion, it will bring closure to misunderstandings that have lingered since November. Conversations that once felt difficult will now flow more easily.
It’s also a favorable time to write, share ideas, and organize plans for 2026. Many people may feel a mental “reset” during this period, as Gemini encourages intellectual freedom and curiosity.
The moon’s energy supports:
- Completing communication-related projects (books, blogs, or negotiations).
- Reconnecting with old friends.
- Letting go of indecision and mental clutter.
- Finding balance between logic (Gemini) and belief (Sagittarius).
Those who lean into these themes will end 2025 with a sense of mental clarity and emotional peace.
Viewing the Full Moon in the U.S.
Skywatchers across the United States can expect the Cold Moon to be visible for several nights. The best viewing time will be just after sunset on Friday, December 5, when the moon rises in the east and shines brightly throughout the night.
In cities like New York, Chicago, Dallas, and Los Angeles, the moon will appear larger near the horizon before reaching its peak illumination in the early morning hours of December 6.
Because this full moon occurs near the winter solstice (December 21), it will travel high across the sky, casting a crisp, silver light on winter landscapes—a perfect celestial farewell to 2025.
The full moon December 2025 horoscope reminds us that closure comes through clarity. As the Cold Moon rises, it’s a moment to reflect, release, and prepare for a brighter year ahead.
